文档介绍
1. 肯定祈使句的常见句型结构: ① Do型:动词原形(yuánxíng)+宾语+其他. 如: Open the door, please. ② Be型:Be+表语. 如:Be a good boy! ③ Let型:Let+宾语+动词原形(yuánxíng)+其他. (或:Let’s+动词原形(yuánxíng)+其他.) 如: Let me help you. 又如:Let’s play tennis. 第四十八页,共90页。 2. 否定祈使句的常见句型结构(jiégòu): ① Do型和Be型的否定式:Don’t+动词 原形 / be+其他. 如:Don’t forget me. 又如:Don’t be late. ② Let型的否定式:Don’t+let+宾语+动词原形+其他. (或:Let’s+not+动词原形+其他.) 如:Don’t let him go back. 又如:Let’s not go swimming. ③ 警示语:No+名词 / 动词-ing形式. 如: No talking. 第四十九页,共90页。 用所给单词的适当(shìdàng)形式填空。 1. Don’t ________(listen) to music in the library. 2. Do we have to ________(clean) the room every day? 3. You can’t ________(wear) sunglasses in the classroom. 4. Please ________(arrive) at school on time (准时). 5. John is often late for _______ (class). class listen clean wear arrive 第五十页,共90页。 6. What