Verbs:
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There are two types of verbs in Japanese, called Group 1 and Group 2.

There are only two exceptions to these two groups: する [suru] (to do) and くる [kuru] (to come). These will be dealt with later.

 

And because I know you guys are dying to know, these are not the verbs you would use in a pr0n fic. You’d use やる [yaru] (to *ahem* do) and [iku] (to come. Ironically, this word is typically used to mean ‘to go’).

 

Anyway.

 

Group 1 vs Group 2

 

Differentiating

The general rule is that verbs ending in –eru and –iru are group 2.

 

e.g. 食べる [Taberu] (to …eat. Great. Stop it with the pr0n jokes and the snickering already. These are just the most commonly used verbs in class!)

 

e.g. いる [iru] (to be; to exist)

 

However! There are of course exceptions:

 

e.g. 帰る[Kaeru] (to return) is group 1, as is

e.g. 要る [iru] (to want; to need)

 

You’ll also notice that the first ‘iru’ and the second ‘iru’ are pronounced exactly the same way. That’s what kanji is for – to distinguish the words in writing. If you type ‘iru’ into your dictionary, you’ll find at least half a dozen other verbs called iru.

 

Exceptions tend to be relatively rare, however, so it’s probably safe to assume that the general rule applies. For those of you using the JWPce dictionary, it appears that the (v1) notation refers to Group 2 verbs, while the (v5r) notation refers to Group 1 verbs. Don’t quote me on this, however.

 

Significance

The significance of the difference lies in the conjugation of the verbs.

 

For Group 1, the last character ‘ku’, ‘mu’, ‘nu’, etc changes for every conjugation.

 

Take this chart, for example. Here we have iku – (Normally: to go, Sometimes: to *ahem* come, but only in pr0n fics, okay?)

 

Stem

 

Conjugation Set 1

Set 2

Set 3

 

 

 

-form

-form

ない

ます

(んです)

おう と

ください

れる

ましょう

 

 

せる

たい

 

 

 

Just take a look at the second column for now.

From top to bottom: ika, iki, iku, ike, iko, te-form.

We’ll talk about the te-form later, but for now, notice that it follows the hiragana chart (except that the hiragana chart goes from left to right). Ka ki ku ke ko…

 

Now take a look at the Group 2 chart.

 

Stem

Conjugation set 1

Set 2

Set 3

 

 

 

 

ない

ます

る(んです)

れば

よう と

て ください

られる

ましょう

 

ろう

 

 

らせる

たい

 

 

 

First off, the second column is gone. That’s because group 2 verbs conjugate directly with the stem.

This word is ‘deru’ (to leave. Yes, now you have ‘to do, to come, to leave’. You can write pr0n fics now! :D)

Notice first that it’s an –eru, hence a group 2 verb.

Secondly, ‘ru’ does not conjugate to ra, ri, ru, re, ro like a group 1 verb. There is no intervening character between the stem and the conjugations.

 

And now, if you didn’t understand any of that at all, don’t worry. It’ll be explained in detail just about now. ^^

 

 

Conjugation Set 1

This guide is designed to impart the grammatical rules as quickly as possible, as well as to serve as a reference. This means that you have to go and figure out the vocab yourself. The charts are true for all group 1 and all group 2 verbs respectively. That means that you can take any verb and conjugate it, with the respective result.

 

Stem: Stem of the verb.

Column 2: The second last character of the verb + a, i, u, e, o.

(e.g.: iku -> ika, iki, iku, ike, iko; nomu -> noma, nomi, nomu, nome, nomo, etc)

The third column is first set of conjugations.  

 

 

Stem

 

Conjugation Set 1

Meaning

 

 

 

 

 

 

 

 

 

 

 

ない

[Negative form] Negative, present and future tense, informal form.

Ikanai – Not going, will not go.
-nai form + de kudasai = Please do not…
e.g. Ikanai de kudasai = Please do not go.

ます

[Polite form] Positive, present and future tense, polite form.
Ikimasu – To go, will go, goes.

んです

[Basic form] Positive, present and future tense, informal form.

Iku – To go, will go, goes.

Basic form + n desu = Polite form.

[Conditional] If you [do the verb]…

Ikeba – If [subject] goes …

e.g. Conditional form + ii (good) = It would be good if you did that.

Ikeba ii desu = It would be good if you go.

おう と

[Volitional] I plan to …

Ikou to (omou) – I plan to go

-form

ください

[Te- form: Request] Please…

Itte – Please go (informal)

Itte kudasai – Please go (formal)

-form

 

[Ta-form: Past tense] Past tense, informal.

Itta – I went.

Past tense + n desu = Formal

Ittan desu – I went. (formal)

 

Notes:

1.       Present and future tense (vs present continuous) – There is no separate form for the future tense in Japanese. i.e.: I will go, I go, I am going, are all ‘ikimasu’ or ‘iku’. Note, however, that this is separate from the present-continuous form: i.e. I am going. That is a conjugation of the te-form, and will be dealt with later.

 

2.       Informal vs formal – Everyone knows that Japanese has half a billion different levels of politeness. Generally, you don’t need to worry about this. As long as it ends in ‘masu’ or ‘desu’, it’s polite. You can make a sentence polite just by tacking a ‘desu’ on to the end. If the sentence ends in a verb, use –n desu as per the notes under the Basic Form. If the sentence ends in an adjective or a noun, use desu.
You may also encounter ‘nan desu’. This is ‘n desu’ in written form, and basically means ‘desu’, which basically doesn’t mean anything in and of itself ^_~.

 

3.       Subject – We’ll come to sentence construction later, but for the moment, just remember that if no subject is specified, it’s taken that the sentence refers to yourself. Also, it is rarely necessary to refer to oneself. In English, we would go: “I am going.” Literally translated, that’s “Watashi wa ikimasu.” However, it’s elegant sufficiency and grammatically correct to use “Ikimasu.” in Japanese.

 

4.       Volitional + omou: 思う [Omou] is another verb. (To think). The full form of the Volitional form is hence [Volitional-form] + Omou, where Omou can subsequently be conjugated. E.g. Ikou to omoimasu = I plan to go (formal). Omou is also only used when you are almost dead certain that you’re going to do that. I’ve also never seen the equivalent of ‘I don’t plan on going’ using the volitional form. Typically, the negative form is used for that. (“I will not go.”)
You can skip over the alternatives, but they’re included here for geeks:

 

[Basic form or negative form] + tsumori = I intend to […]
e.g. Taberu tsumori desu = I intend to eat. / Tabenai tsumori desu = I intend not to eat.
This is less certain than omou, but more certain than…

[Basic form, negative form, or past tense] + kamoshirenai = I’m not sure, but I think…

e.g. Nomu kamoshirenai = I’m not sure, but I think I will drink…
This is extremely uncertain. It can also be used when someone asks you about a past event that you’re not sure of, or how many people there are in the room, or basically in response to any question of which you’re not certain about the answer to.

 

 

5.       Te-form – The problem with the –te form is that, like the –ta form subsequently, it varies from group 1 verb to group 1 verb, depending on what the verb ends in. For example, all ‘ku’ verbs will become [stem] + ite. (Iku is the only exception to this). More on te-forms later.

 

Group 2

 

Group 2 follows the same pattern as Group 1, except without the 2nd column. As such, it’s much easier!

 

 

 

 

 

 

 

 

 

 

 

ない

[Negative form] Negative, present and future tense, informal form.

Denai – Not leaving, will not leave.
-nai form + de kudasai = Please do not…
e.g. Denai de kudasai = Please do not leave.

ます

[Polite form] Positive, present and future tense, polite form.
Demasu – To leave, will leave, leaves.

る(んです

[Basic form] Positive, present and future tense, informal form.

Note that the basic form includes the ru.

Deru – To leave, will leave, leaves.

Basic form + n desu = Polite form.

れば

[Conditional] If you [do the verb]…

Note that for all group 2 verbs, this is stem + reba.

Dereba – If [subject] leaves…

e.g. Conditional form + ii (good) = It would be good if you did that.

Dereba ii desu = It would be good if you left.

よう と

[Volitional] I plan to …
Note that this + you to omou.

Deyou to (omou) – I plan to leave.

て ください

[Te- form: Request] Please…

Dete – Please leave (informal)

Dete kudasai – Please leave (formal)

[Ta-form: Past tense] Past tense, informal.

Deta – I left.

Past tense + n desu = Formal

Detan desu – I left. (formal)

 

Notes:

1.       Te form: Unlike group 1, the te-form for all group 2 verbs is just the stem + te. Ditto for the ta-form – Stem + Ta.

 

Exceptions: Suru and Kuru

As mentioned, the conjugations for suru and kuru are different. The whole verb changes. However, it still follows the same pattern of forms.

 

Suru (する)

 

Stem

Conjugation Set 1

Meaning

 

ない

[Negative form] Negative, present and future tense, informal form.

Shinai – Not doing, will not do.
-nai form + de kudasai = Please do not…
e.g. Shinai de kudasai = Please do not do …[something]

ます

[Polite form] Positive, present and future tense, polite form.
Shimasu – To do, will do, does.

る(んです)

[Basic form] Positive, present and future tense, informal form.

Suru – To do, will do, does.

Basic form + n desu = Polite form.

れば

[Conditional] If you [do the verb]…

Sureba – If [subject] does …

e.g. Conditional form + ii (good) = It would be good if you did that.

よう と

[Volitional] I plan to …

Shiyou to (omou) – I plan to do

て ください

[Te- form: Request] Please…

Shite – Please do (informal)

Shite kudasai – Please do (formal)

[Ta-form: Past tense] Past tense, informal.

Shita – I did.

Past tense + n desu = Formal

Shitan desu – I did. (formal)

 

 

Suru is typically paired with an action or a noun. (i.e. Do studies, do homework, etc) We’ll talk about that more under sentence construction.

 

Kuru (来る)「くる」

 

Stem

Conjugation Set 1

Meaning

 

ない

[Negative form] Negative, present and future tense, informal form.

Konai – Not going, will not go.
-nai form + de kudasai = Please do not…
e.g. Konai de kudasai = Please do not come.

ます

[Polite form] Positive, present and future tense, polite form.
Kimasu – To come, will come, comes.

る(んです)

[Basic form] Positive, present and future tense, informal form.

Kuru – To come, will come, comes.

Basic form + n desu = Polite form.

れば

[Conditional] If you [do the verb]…

Kureba – If [subject] comes…

e.g. Conditional form + ii (good) = It would be good if you came.

Kureba ii desu = It would be good if you came.

よう と

[Volitional] I plan to …

Koyou to (omou) – I plan to come

て ください

[Te- form: Request] Please…

Kite – Please go (informal)

Kite kudasai – Please go (formal)

[Ta-form: Past tense] Past tense, informal.

Kita – I went.

Past tense + n desu = Formal

Kitan desu – I went. (formal)

 

In Kanji, the Stem of kuru can always be represented as (i.e. 来ない、来ようと思う, etc) However, the pronunciation will vary.

 

 

Te-forms

 

Te forms for Group 1 verbs vary, as mentioned before, depending on the ending of the verb. Group 2 verbs always end in –eru or –iru. Group 1 verbs may end in –ku, -tsu, -mu, -nu, etc, and each has a different –te form. The good news? It doesn’t matter what the verb starts with, only what it ends with. To make the –te form, take the stem (i.e. cancel the ku, tsu, mu, etc) and replace it with the conjugation under the ‘te form’ column.

 

So here goes:

 

Ends in:

Te form

Example

Meaning

いて

書く → 書いて

[Kaku] To write

いで

泳ぐ → 泳いで

[Oyogu] To swim

して

話す → 話して

[Hanasu] To talk

 

 

 

って

待つ → まって

[Matsu] To wait

んで

読む → 読んで

[Yomu] To read

 

 

 

呼ぶ

呼ぶ → 呼んで

[Yobu] To call

んで

飲む → 飲んで

[Nomu] To drink

って

帰る → 帰って

[Kaeru] To return (G1)

 

There are, as far as I know, no verbs ending in (zu) or (fu). Please correct me if I’m wrong.

 

Ta-forms

The ta-forms follow the te-forms. Simply use ‘ta’ instead of ‘te’.

 

 

Other Examples: Group 1

 

 

 

 

泣く [Na-ku] 
(To cry)

泣かない

泣きます

泣く

泣けば

泣こう

泣いて

泣いた

 

 

 

放す [Hana-su]
To let go

放さない

放します

放す

放せば

放そう

はなして

はなした

 

 

 

笑う[Wara-u]

(To laugh)

笑わない

笑います

笑う

笑えば

笑ろう

笑って

笑った

 

 

 

持つ [Mo-tsu]
(To carry / to hold)

持たない

持ちます

持つ

持てば

持とう

持って

持った

 

 

 

取る [To-ru]

(To take)

取らない

取ります

取る

取れば

取ろう

取って

取った

 

 

 

頼む [Tano-mu]

(To request)

頼まない

頼みます

頼む

頼めば

頼もう

頼んで

頼んだ

 

…What do you mean that all of these are words frequently found in pr0n doujinshi? We haven’t gotten to the most important one:

 

Examples: Group 2

 

 

 

 

止める [ya me ru]

(To stop)

止めない

止めます

止める

止めれば

止めよう

止めて

止めた

 

 

These are the first set of basic conjugations for verbs. The next installment will include more conjugations, as well as more on the past tense.

 

Recap

To recap:

Group 1 chart

Group 2 chart

Exceptions: Suru and Kuru

Questions, comments? Thank you notes? Leave them here.