| singular | plural |
| Infinitive | | |
| behave | |
| present simple | | |
| 1 | I behave | we behave |
| 2 | you behave | you behave |
| 3 | he/she/it behaves | they behave |
| past simple | | |
| 1 | I behaved | we behaved |
| 2 | you behaved | you behaved |
| 3 | he/she/it behaved | they behaved |
| future simple | | |
| 1 | I will/shall behave | we will/shall behave |
| 2 | you will/shall behave | you will/shall behave |
| 3 | he/she/it will/shall behave | they will/shall behave |
| conditional simple | | |
| 1 | I would behave | we would behave |
| 2 | you would behave | you would behave |
| 3 | he/she/it would behave | they would behave |
| present continuous | | |
| 1 | I am behaving | we are behaving |
| 2 | you are behaving | you are behaving |
| 3 | he/she/it is behaving | they are behaving |
| past continuous | | |
| 1 | I was behaving | we were behaving |
| 2 | you were behaving | you were behaving |
| 3 | he/she/it was behaving | they were behaving |
| future continuous | | |
| 1 | I will be behaving | we will be behaving |
| 2 | you will be behaving | you will be behaving |
| 3 | he/she/it will be behaving | they will be behaving |
| conditional continuous | | |
| 1 | I would be behaving | we would be behaving |
| 2 | you would be behaving | you would be behaving |
| 3 | he/she/it would be behaving | they would be behaving |
| present perfect | | |
| 1 | I have behaved | we have behaved |
| 2 | you have behaved | you have behaved |
| 3 | he/she/it has behaved | they have behaved |
| past perfect | | |
| 1 | I had behaved | we had behaved |
| 2 | you had behaved | you had behaved |
| 3 | he/she/it had behaved | they had behaved |
| future perfect | | |
| 1 | I will have behaved | we will have behaved |
| 2 | you will have behaved | you will have behaved |
| 3 | he/she/it will have behaved | they will have behaved |
| conditional perfect | | |
| 1 | I would have behaved | we would have behaved |
| 2 | you would have behaved | you would have behaved |
| 3 | he/she/it would have behaved | they would have behaved |
