dans le dictionnaire PONS
shall [ʃæl, ʃəl] VERBE aux
2. shall esp GB (ought to, must):
| I | shall |
|---|---|
| - | |
| - | |
| we | shall |
| - | |
| - |
| I | was going to |
|---|---|
| you | was going to |
| he/she/it | was going to |
| we | was going to |
| you | was going to |
| they | was going to |
| I | have | had to |
|---|---|---|
| you | have | had to |
| he/she/it | has | had to |
| we | have | had to |
| you | have | had to |
| they | have | had to |
| I | had | had to |
|---|---|---|
| you | had | had to |
| he/she/it | had | had to |
| we | had | had to |
| you | had | had to |
| they | had | had to |