The two groups and two irregulars
Group 1 (u-verbs), Group 2 (ru-verbs), plus する and 来る.
| Group | Dictionary form | -ます form |
|---|---|---|
| Group 1 (u-verb) | 飲む nomu | 飲みます |
| Group 2 (ru-verb) | 食べる taberu | 食べます |
| irregular | する suru | します |
| irregular | 来る kuru | 来ます |
The form listed in dictionaries; used in casual speech.
You must know the group to conjugate.