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Let's A
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11
      わって から     べよう  
Hey, let's eat something after work is finished!
13
えっ    あなた        じゃ      しよう   
Oh, your birthday is today? Alright, let's celebrate!
13
みなこ  どこ   った  だろう       こう   
Where did Minako go? Shall we go to search for her?
15
この       しよう  
Let's make this room red!
9
  さん       いつか     こう  といった のに  まだ どこにも  ってない  
Even though Mom said "Let's go on a vacation," 5 years ago, we still haven't gone anywhere!

Getting the sentences
1. Determine if it's a godan or ichidan verb
How do I determine the type of the verb?
2. Conjugating the verbs
Godan verbs
1. Drop the final u and add おう (ou) to create the volitional form.
む (mu) => もう(mou)
す (su) => そう(sou)
う (u) => おう (ou)
ぬ (nu) => のう(nou)
つ (tsu) => とう (tou)
ぶ (bu) => ぼう(bou)
く (ku) => こう (kou)
ぐ (gu) => ごう(gou)
る (ru) => ろう(rou)
Ichidan verbs
1. Drop the final る from the end of the verb and add よう to create the volitional form

Special cases
1a. する (to do) is changed to しよう.
1b. くる (to come) is changed to こよう.


Conjugation examples
Let's conjugate the godan verb く/かく (to write):
Basic Examples
1. かく -> かこう (Let's write)

Now let's conjugate the verb べる/たべる (to eat), which is an ichidan verb:
Basic Examples
1. たべる -> たべよう (Let's eat)
Related Expressions
Where this grammar is found


User notes
0

You can add か after the volitional form.
In English, you can translate sentences like "こうか," for instance, as "Shall we go?"
The nuance here compared to "こう" is that the sentence with か suggests you're open to hearing the listener's opinion.
Also, it's common to double the consonant for か instead of lengthening the vowel for ~おう
as in "こっか" instead of "こうか."
2 years ago
avatar guest
8

This is the informal/friendly form.
11 years ago
avatar fareastfurfaro (Grammar mod.) - Level 1

Discussion about this grammar
avatar
Years Studied: 9
Studying:
Level: 5, : 226
If you add とする, doesn't it mean that they actually are going to do it?
:おさんはこうとする。Father will go to the bank.
0
11 years ago
avatar
Site admin
Level: 58, : 5,490
It means they are about to do something. http://www.renshuu.org/index.php?page=grammar/individual&id=87
2
11 years ago
avatar
Years Studied: Too long
Studying: JLPT 2
Level: 1, : 74
Doesn't Volitional + とする means "try to do"
0
11 years ago
avatar
Site admin
Level: 58, : 5,490
That, or 'about to do ..'.
Here you go: http://www.renshuu.org/index.php?page=grammar/individual&id=87
0
11 years ago
avatar
Years Studied: まあ、ね!
Studying: N1
Level: 1, : 407
So I use volitional quite a bit to say "I'm thinking about doing X." To do this, I say ~Volitionalとっています。 Is this correct? I don't know where I learned it, but I seem to use it a lot!

On another note, wanting to review this grammar point but not knowing where it was located, I used the grammar search box on the main grammar page. Unfortunately, typing in "Volitional" yielded nothing. This is probably a wider problem, but shouldn't the English titles in these grammar sections be search-able?
0
11 years ago
avatar
Site admin
Level: 58, : 5,490
http://www.renshuu.org/index.php?page=grammar/individual&id=86

And yes, it should be searching the english as well. I'll fix that in the beta.
0
11 years ago
Years Studied: Since Nov 2018
Studying: JLPT N3
Level: 1, : 16
Based on my research the negative form looks like this:

Godan:
V + まい

Ichidan:
Vstem + まい

exceptions: 
する > するまい / しまい
くる > くるまい

0
3 years ago
avatar
Site admin
Level: 58, : 5,490
まい is covered here: 

https://www.renshuu.org/grammar/324/


Although I do not think I would call it the negative form. まい is extremely rare, and with the volitional being something similar to "Let's xxx", one would probably not use まい to say "Let's not xxx". A more common approach would be something like ~しないがいい (It'd be better to not do xxx).
2
3 years ago (Edited 3 years ago.)
Years Studied: Since Nov 2018
Studying: JLPT N3
Level: 1, : 16
That makes sense, thanks! 
0
3 years ago



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