MODULE 4 

- Time expressions. 

- Passive voice in different tenses. 

- Gerunds and infinitives changes in meaning. 

- Too/enough/too much/too many. 

- Connectors: transitions. 

- Relative clauses and noun clauses 

- Comparative “as...as”. 

- Repeated comparatives and double comparatives 

- Prefixes and suffixes. 

- First conditional. 

- Laboratory.