Modalverb "to shall / should"
Indicative (simple forms)
| Present | Past | Future I |
| I shall | I should | - |
| you shall | you should | - |
| he shall | he should | - |
| we shall | we should | - |
| you shall | you should | - |
| they shall | they should | - |
| Present Perfect | Past Perfect | Future II |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
Indicative (continuous forms)
| Present | Past | Future I |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| Present Perfect | Past Perfect | Future II |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
| - | - | - |
Conditional (simple forms)
| Conditional I | Conditional II | |
| - | - | |
| - | - | |
| - | - | |
| - | - | |
| - | - | |
| - | - |
Conditional (continuous forms)
| Conditional I | Conditional II | |
| - | - | |
| - | - | |
| - | - | |
| - | - | |
| - | - | |
| - | - |
Imperative
-
Participle
| Present / Gerund | Past | |
| - | - |