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