ask students to find out the Object clauses and Predicative clause

Object clauses _________________________

Predicative clauses _____________________

I am a teacher.

The book is funny.

Seeing is believing

The cause is still a mystery

　Ask the students to observe the given sentences, and then introduce the definition of the subject clause.

This activity is designed to arouse the students' interest and review what they have learnt in unit 3 about grammar.

Step 2．Learn subjective clauses

1 )Pick out subject clauses

How you got me blind is still a mystery.

That she had won the first prize made the girl very happy.

What he said is not true.

What they need is a dictionary.

2) pick out the subject clauses in the reading text

1. What it was to become was uncertain until between 4.5 and 3.8 billion years ago.

2. What is even more important is that as the earth cooled down, water began to appear on its surface.

3. What many scientists believe is that the continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas.

5. So whether life will continue on the earth for millions of years to come will depend on whether this problem will be solved.

This activity is designed to ask the students to consolidate the feature of the subject clause.

Step 3 Learn about the connectors.

* Who will go makes no difference.

Which is the best is not certain.