How to change verb dictionary form into ます (ma su) form
Verb dictionary form is what you find in a dictionary, 行く (go) for example. However, you have to change 行く to 行きます when you need to speak politely.
ます form is one of the polite forms. Click here if you want to know more about polite form.
Here is how to change verb dictionary form into ます form.
| Verb Group | How to change | Example |
| Weak verb | change る into ます | たべる (eat) → たべます |
| Strong verb | change the last symbol into " i " sound, then add ます |
よむ (read) → よみます きく (listen to) → ききます |
| Irregular verb | There is no rule. Remember them. | する (do) → します 来(く)る (come) → 来(き)ます |
Exercise
Task : Change into ます form and write the meaning of each verb below.
- 行く
- よむ
- まなぶ
- あける
- ねる
- する
Answer
| Verb (in dictionary form) | ます form | meaning |
| 行く | 行きます | go |
| よむ | よみます | read |
| まなぶ | まなびます | learn |
| あける | あけます | open |
| ねる | ねます | sleep |
| する | します | do / play (sports) |





