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