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