Grammar-4. Conclusion 1 祈使句的肯定形式主要有以下几种 >Do型(以行为动词开头) Stand up! >Be型(以be动词开头) Be careful Let型(以let开头) Let's go home. (Student( Times
Grammar-4. Conclusion 1 祈使句的肯定形式主要有以下几种 ➢Do 型 （以行为动词开头） Stand up! ➢Be 型 （以be动词开头） Be careful. ➢Let型 （以let开头） Let’s go home
Grammar-5. Conclusion 2 祈使句的否定形式主要有以下几种 >Do型(以行为动词开头) Dont stand up! /Never stand up >Be型(以be动词开头) Dont be late. / Never be late >Let型(以let开头) Let’ s not go home (Student( Times
Grammar-5. Conclusion 2 祈使句的否定形式主要有以下几种 ➢Do 型 （以行为动词开头） Don’t stand up! / Never stand up! ➢Be 型 （以 be 动词开头） Don’t be late./Never be late. ➢Let型 （以let开头） Let’s not go home
Grammar-6. Conclusion 3 Do be patient Do sit down Do write back when you receive his letter >Tom, you clean the room. You clean the window 加强祈使句语气的方式: 在谓语前+do或加上主语(Tom,you) (Student( Times
Grammar-6. Conclusion 3 ➢Do be patient! ➢Do sit down. ➢Do write back when you receive his letter. ➢Tom, you clean the room. ➢ You clean the window. 加强祈使句语气的方式: 在谓语前+ do /或加上主语（Tom, you)
Grammar-7 Observation Do you know how to make imperatives more polite? > Open the window, please >Will you go fishing with me this afternoon? Would you do me a favor? (Student( Times
➢Open the window, please. ➢Will you go fishing with me this afternoon? ➢Would you do me a favor? Grammar-7. Observation Do you know how to make imperatives more polite?
Could you show me how to get to the railway station? Hand the dictionary to me, will you? >Let's go out for a walk, shall we? >Why don't you get something to drink? >I suggest we(should) take the train. (Student( Times
➢Could you show me how to get to the railway station? ➢Hand the dictionary to me, will you? ➢Let’s go out for a walk, shall we? ➢Why don’t you get something to drink? ➢I suggest we (should) take the train