General English Level 1 GELEV1 Unit 05 Topic 04.doc Have to have to = it is very important, it is necessary (= must) Dr Smith says: “And you have to take these tablets.” Examples 1. When you study at university you have to work very hard. 2. You have to go to the doctor if you are very sick. can can = it is possible. Ellen says: “Can I have lemonade, Dr Smith?” Dr Smith says: “Of course you can, Ellen.” Examples 1. Tom can speak English, but he can’t speak Chinese. 2. Can Sally play the piano? Yes, she can. 3. Can I get out of bed? No, you can’t. should should = it is a good thing. Roberta says: “How many should she take? And how often?” Dr Smith says: “She should take one tablet three times a day.” Examples 1. We should eat fruit and vegetables to be healthy. 2. Ellen should stay in bed until she is better.  WRITING 06 Can, should, must, have to Here are some signs you can see at an airport. What do they mean? Write complete sentences using words such as can, should, must, have to ... 1. You ___________ have a meal here. 241 QUESTLANGUAGE