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)