English exam Unit 6

Hello guys!!
Next Monday 15th May we are going to test what we have learnt in Unit 6. This is what you have to study for the exam:

- Present perfect structure
- When do we use "for" and "since"
- When and how do we use "already", "yet" and "just".
- Relative pronouns: who (people), which (thing) and where (place).
- Vocabulary: adjectives to describe and machines
- Writing: Description