Tell students to pay attention to the order of noun clauses and don't leave out question words.

Ask students to do exercises on page 28 & 29

More exercises about subject clause, object clause and appositive clause

Step Three: it as preparatory subject

Introduce when it is used as a preparatory subject.

it 作形式主语的句型

1. It + be + adj. ( true, certain, possible, obvious, likely...) that...

2. It + be +noun phrase (no wonder, an honour, a pity,...) that...

3. It+ be + past participle (said, reported, expected, announced...) that...

4. It + seems/appears that....

5. It doesn't matter that...

Ask students to do exercises to consolidate it.

Step Four: Homework

Do C2 on Page 100