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