Voi nota cu 1. present continuous, cu 2. past continuous, cu 3. present simple si cu 4. present perfect:
a)
- I am writing a letter to your mother.
- I was writing a letter to your mother.
- I write a letter to your mother.
- I have written a letter to your mother.
b)
- You are flying by plane.
- You were flying by plane.
- You fly by plane.
- You have flown by plane.
c)
- Are you watching TV?
- Were you watching TV?
- Do you watch TV?
- Have you watched TV?
d)
- Vivien isn't talking to you.
- V wasn't talking to you.
- V doesn't talk to you.
- V hasn't talked to you.
e)
- We aren't smiling at him.
- We weren't smiling at him.
- We don't smile at him.
- We haven't smiled at him.