Unit 10 Lesson 1— Infinitives 动词不定式ObjectivesBy the end of this lesson, you will be able to•summarize the basic usage of the infinitives;•use the infinitives in dialogues.课前准备:Read the sentences from the text. Underline the infinitives and discuss how they are used.( P 13 Ex. 7) (作主语,宾语,宾语补足语,定语,目的状语)课堂活动(一)预习交流Check the answers to Ex. 7. (二)合作探究不定式在句中的作用1. 作________. It is useful to know how to drive. 1) It is necessary to tell him the truth. ____________________________ is necessary.2) It’s my pleasure to take care of your garden._______________________ _______________________________.2. 作__________. I need to attend the meeting. 1) 她想看那部新电影。She wants ________________________________________.2) 他们决定周末去野餐。They have decided __________________________________________. 3. 作 ________________. I didn't expect Mary to invite me to her birthday party. 1) 你可以让你姐姐帮你一下。You can ask your sister _______________2) 我总是劝他戒烟。I always advise him _______________________4. 作 __________. The soil contains materials to keep the natural balance of the area. 1) 我需要吃点东西。I need something _____________ . 2) 你有什么要说吗?Do you have anything _____________?5 . 作____________. The best way to learn English is to make friends with a native speaker.1她的梦想是当一名设计师。Her dream is _____________________________________. 6.作_____________.She listens to the news every day so as to find out what' s going on. 1)他到办公室问问题去了。He’s gone to the office __________.2)很高兴见到你。I’m glad _____________________3)听到那个消息很失望。 I was disappointed ______________________________. (三)分层提高1. Complete the dialogue. P 13 Ex 9 2. Do exercises on P58-59 Ex 2, 3, 4, ...