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