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