Positive Obligation | You must leave soon. You have to find some compromise. You have got to get up early tomorrow. You need to have a haircut. You should come on time. (mild obligation) |
Negative Obligation | You mustn’t call her. |
No Obligation | You don’t have to call her. (it is not necessary to call her- You can call her if you want to) |
Past Obligation *) | You had to wear blues shorts when you were at Junior High School. |
*) For past obligation, you cannot use must.
Tidak ada komentar:
Posting Komentar