2019学年度人教版必修三Unit 4 Astronomy: The science of the starsPeriod4Grammar教案

This period mainly deals with the following:

1). Review noun clauses as the object and as the predicative;

2). Learn the new grammar item: noun clauses as the subject.

Important points: get the students to understand and use noun clauses as the subject.

Difficult point: enable students to learn how to use noun clauses as the subject correctly.

Step 1 Revision

1. Check the homework exercises.

2. Dictate some new words and expressions.

3. Translate the following sentences.

1). 你早晚会来的.

→You will come here in time.

2). 我的车与你的不一样.

→My car is different from yours.

3). 他总是第一个来, 最后一个走.

→He is always the first to come and the last to go.

4). 他来还是不来不清楚.

→It is not clear whether he comes or not.

5). 我们的成败取决于是否每个人都努力工作.

→Our success depends on whether everyone works hard or not.

6). 我们必须采取措施防止这种疾病的蔓延.

→We must take action to prevent this disease from spreading.

Step 2 Preparation

Ask students to read the following sentences and find out its subject.

A tree has fallen across the road.

You are a student.

To find your way can be a problem.

Smoking is bad for your health.

"How do you do?" is a greeting.

What she said is not yet unknown.

That we shall be late is certain.

It is certain that we shall be late.