Can-do statement: I can express obligation and permission
Modal verbs for obligation and permission:
You use must, need to, have to and can to express obligation and permission.
Necessary | Not Necessary | Permitted | Not Permitted |
---|---|---|---|
Have to/ Has to |
Don't have to/ Doesn't have to |
Can
|
Can't
|
Need to/ Needs to |
Don't need to/ Doesn't need to/ Needn't |
Mustn't
|
|
Must |
Note:
You usually use have to (not must) and can't (not musn't) to talk about rules or arrangements:
EXAMPLE: I have to (NOT must) work long hours. BUT:
I must (NOT have to) remember to shave.
6.5 Kennisclip https://www.youtube.com/watch?v=fXJ87wO484E