| Simple Present | Simple Past |
| Present Continuous | Past Continuous |
| Present Perfect | Past Perfect |
| Simple Past | S. Past/P.Perfect |
| P.Perfect Continuous | Past Perfect Continuous |
| Future | Conditional |
| Am/is/are going to | Was/were going to |
| Past Continuous | Past Perfect Continuous |
| Can | Could |
| Would | Would |
| Should | Should |
| Ought to | Ought to |
| Might | Might |
| Must | Must/Had to |
| May | Might |
| Have to | Had to |
