Unit 34: HAVE TO / NEED TO / NEEDN’TWe use these verbs to talk about necessity. 1 Formation ahave to / need toWe can make all verb formations with these verbs. For example: Present simpleHe has to worknine hours a day, but he doesn’t have to workvery (Unit 19)hard. Let’s stop. We don’t need to finish today. Past simpleDid they have to goout? (Unit 21)Yes, they had to goto the airport. I needed to buya number of things, but I didn’t have enough money. Present perfectShe has had to staybehind to look after the children. (Unit 24) With modal verbsI may have to goto Winnipeg soon. (Unit 27)If she takes that job, they will need to move to another city. NOTICE:We always use base form (Unit 14) after
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