九年级英语Unit 9 Lesson 1 and Lesson 4教育科学版知识精讲.docVIP

初三英语Unit 9 Lesson 1 and Lesson 4教育科学版 【本讲教育信息】 一. 教学内容： Unit 9: Optimism and Pessimism. Lesson 1 and lesson 4 二. 重点、难点： 语音： 语法： Lesson 4 Revise and improve Infinitives Gerunds Infinitive or Gerund: I like swimming. I like to swim. Gerund only: I enjoy swimming. Infinitive only: I want to go. Let’s take a look: With some verbs, we use the verb+ an infinitive. afford, expect, refuse, agree, hope, plan, seem, appear, learn pretend, want, decide manage, promise I promise to give the book back to you. I want to watch a movie. With some verbs, we use the verb +a gerund. admit, finish, give up, avoid, consider, mind, delay, postpone, suggest, enjoy, put off, deny Have you finished doing your homework? I enjoy walking in the rain. Some verbs can take either an infinitive or a gerund begin, hate, love, like, start: There is no difference in meaning between the infinitive and gerund forms. forget, regret, remember, stop, try: There is a difference in meaning between the infinitive and gerund forms. I forgot going to their house. (I went there, but I forgot about it.) I forgot to go to the office. (I was supposed to go there, but I didn’t because I forgot.) Now you try: 1. He can’t afford __________a computer. (buy) 2. It stopped __________a few minutes ago. (rain) 3. Don’t forget __________your grandfather! (call) 4. Did you finish __________your homework yet? (do) 5. I hope __________a good grade in English. (get) 6. I decided __________her for help. (ask) 7. It isn’t easy to give up __________chocolate. (eat) A Work by Yourself Complete the sentences using infinitives or gerunds. 1. Write down three activities that you like. I like ________________________________________. 2. Write down three activities that you don’t enjoy. I dislike ________________________________________. 3. What do you think people should stop doing? I think people should stop ____________________. WORD BANK Verbs take an infinitive: afford expect refuse agree plan se