form
present tense | past tense | |
affirmative | I/you/we/they have to he/she/it has to | I/you/he/she/it/we/they had to |
negative (+ NOT) | I/you/we/they don’t have to he/she/it doesn’t have to | I/you/he/she/it/we/they didn’t have to |
interrogative | Do I/you/we/they have to? Does he/she/it have to? | Did I/you/he/she/it/we/they have to? |
when to use must and have to
- must expresses that the speaker thinks something should be done (internal obligation) (I must go home now. You must go home now.)
- has to/ have to expresses that a rule should be observed or that someone thinks something should be done (external obligation) (We have to wear a school uniform at this school. My mother said I had to be home at ten.)
- mustn’t expresses a prohibition. (You mustn’t park here.)
- doesn’t have to /don’t have to expresses that there is no obligation to do something if you don’t want to. (You don’t have to apologize.)
exercises
the form and use of to have to
- exercise 1: fill in has to or have to
- exercise 2: choose between has to and have to
- exercise 3: fill in doesn’t have to or don’t have to
- exercise 4: choose between have to, has to, don’t have to and doesn’t have to
- exercise 5: choose between have to, has to, don’t have to and doesn’t have to
- exercise 6: fill in have to, has to, don’t have to or doesn’t have to
- exercise 7: fill in have to, has to, don’t have to or doesn’t have to
the difference between to have to and must
- exercise 1: fill in the correct verb forms of to have to or must
- exercise 2: various exercises with to have to and must
- exercise 3: multiple choice oefening met vormen van to have to en must
- exercise 4: choose between don’t have to and mustn’t
- exercise 5: choose between don’t have to and mustn’t
- exercise 6: fill in don’t have to or mustn’t
- exercise 7: fill in to have to or must
- exercise 8: fill in to have to or must
useful pages
- exercises for practising modalities: ability, permission, advice, deduction and probability, necessity and obligation and request