Relier Pairs have to, must & should, plusVersion en ligne Checking vocabulary learnt/verb use MBO outdoor year1. Match the sentences or the missing word by the dots ....... par Tina Oomes-Swift 1 A branch might fall out of that tree, You .......................... park your car here. 2 It is not allowed. You ..............................park your car here. 3 Do not do this. It is prohibited (not allowed). 4 You need to do this. It is compulsory. 5 It isn't necessary, but it is a good idea. 6 Optimistic means... 7 It is a bad idea to do this. 8 Pessimistic means... 9 Frustrated means... You shouldn't do this. (You should not do this.) ...feeling annoyed that you can't do something or that something is not as you think it should be. mustn't ...positive state of mind and thinking that things will go well. You should do it. ...negative state of mind and thinking that things will go badly. shouldn't You must not do it. You must do it.