模块五 Module V Balance and harmony《Grammar and usage(1)： To infinitive； Bare infinitive》优质课教案下载

模块五 Module V Balance and harmony《Grammar and usage(1)： To infinitive； Bare infinitive》优质课教案下载

Knowledge objectives: master the usage of to infinitive and bare infinitive.

Ability objectives: use to infinitive and bare infinitive to talk about things in real life.

Moral objectives: develop students’ cooperative awareness and self-study ability.

Teaching key point: the functions of to infinitive.

Teaching difficult point: to infinitive can be the adverbial.

Teaching method and aids: task-based method, communicative method, cooperative method and situational teaching method.

Teaching procedures:

Step 1 lead-in

What can we learn about friendship from Annie’s letters?

To talk to a friend openly and sincerely when something unpleasant happens is very important if we are to keep the friendship.

We should always remind ourselves to trust our friends whatever happens.

Study the two letters on Page 5, trying to find out more To-infinitives in the letters and tell their functions in the sentences.

Step 2 presentation

The functions of To-infinitive

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.

作宾语

I want to see a film. （不定式to see a film 作宾语）

不定式作宾语时，若还带有宾语补足语，往往把不定式放在补足语后，用it作形式宾语。例如：

He find it difficult to learn Chinese.

We think it important to master a foreign language.