Look, your brother has just come in.
3
I have often tried to read War and Peace but I always stop because it's difficult.
4 We have never visited the Czech Republic. What's it like?
5 Peter has never given me his homework on time.
6 Have you ever been to the cinema with Tom?
7 I haven't ever used that computer so I don't know what to do.
8 They have already done the homework. Here it is. (already/yet)
9 They haven't done the homework yet. It's for next week.
10 I've worked here for ten years.
11 I've worked here since 2000.
12 I've worked here all my life.
keys