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《Grammar and usage(1)： To infinitive； Bare infinitive》精品教案优质课下载
Understand and grasp the main uses of To-infinitive by reading and practicing in the different contexts;
Put it into practice in different situations.
Teaching important points: to-infinitive and bare infinitive
Teaching difficult points: put what is learned into practice under the theme of how to get along with others.
Teaching procedures:
Step1. Warm up
Study the two letters on Page5, trying to find out more To-infinitives in the letters and tell their functions in the sentences.
Reflect: What can we learn about friendship from Annie’s letters?
1. To talk to a friend openly and sincerely when something unpleasant happens is very important if we are to keep the friendship.
2. We should always remind ourselves to trust our friends whatever happens.
Step2. Explanation
Part 1 The functions of To-infinitive
Form: to+ do/ be doing / have done
Negative: not to do…
Passive voice: to be done / have been done
Functions: 主语、宾语、宾语补足语、状语、表语、和定语等，但不能单独作谓语。
动词不定式可以单独用或用作动词不定式短语的一个部分。
1. 作主语
To read English every day is necessary. （不定式to read English every day 做主语）
动词不定式作主语时，为了句子平衡，通常用it作形式主语，而把不定式放在谓语之后。例如：It is necessary to read English every day. It is a good idea to go for a picnic today.
【Practice】
Look at the pictures and make up sentences using to-infinitive.
1):
To stay with friends is fun. It’s fun to stay with friends.
2): It’s boring to be alone.