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 Pessimistic means... 2 It is not allowed. You ..............................park your car here. 3 It isn't necessary, but it is a good idea. 4 A branch might fall out of that tree, You .......................... park your car here. 5 Optimistic means... 6 It is a bad idea to do this. 7 Frustrated means... 8 You need to do this. It is compulsory. 9 Do not do this. It is prohibited (not allowed). ...negative state of mind and thinking that things will go badly. shouldn't You must do it. You should do it. ...feeling annoyed that you can't do something or that something is not as you think it should be. You shouldn't do this. (You should not do this.) ...positive state of mind and thinking that things will go well. You must not do it. mustn't