- Causative get and have
- need + passive infinitive
- need + verb + -ing
Unit 8
- Use would have, should have, and could have to talk hypothetically about the past
- Use must have, may have, might have, and could have to speculate about the past
Unit 9
- Reported speech
- Reported questions
Unit 10
- Use if clauses with the past perfect form of the verb to talk hypothetically about the past
- Tag questions
Unit 11
- The passive of the present continuous and present perfect
- Link ideas to express a contrast, reason, purpose, or alternative
Unit 12
- What clauses and long noun phrases as subjects
- The future continuous and future perfect
