Complete the following table using the words given below:

Must; mustn't; can; can't; have to; don't have to; be allowed to; be not allowed to; should; shouldn't; ought to; need; need nota)

a) it is necessary or important

b) it is okay / permitted

c) it is a good idea (the correct thing to do)

d) it is not necessary

e) it is not okay / it is prohibited

f) it is not a good idea (not the correct thing)

Must - a) it is necessary or important;

mustn’t - e) it is not okay / it is prohibited

can - b) it is okay / permitted;

can’t; e) it is not okay / it is prohibited

have to - a) it is necessary or important;;

don’t have to - d) it is not necessary;

be allowed to - b) it is okay / permitted;

be not allowed to; e) it is not okay / it is prohibited

should - c) it is a good idea (the correct thing to do) ;

shouldn’t - f) it is not a good idea (not the correct thing) ;

ought to - c) it is a good idea (the correct thing to do) ;

need - c) it is a good idea (the correct thing to do) ;

need not - d) it is not necessary