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 |