7.3 I have just seen
he has already left
I haven't red yet
she has already seen
have just arrived
I haven't told yet
7.4 2. he has just gone out
3. I have not finished yet
4. I have already done
5. have you already found a job?
6. she has just come back
7.5 2. been
3. gone
4. gone
5. been