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