1. I haven't done my homework.
2. Oh, no! I have lost my money!
3. Where's Alison? We haven't seen her since yesterday.
4. Dad hasn't taken a holiday since last August .
5. John hasn't played the violin since he was school.
6. Dad, you have eaten my biscuit!
1. I haven't done my homework.
2. Oh, no! I have lost my money!
3. Where's Alison? We haven't seen her since yesterday.
4. Dad hasn't taken a holiday since last August .
5. John hasn't played the violin since he was school.
6. Dad, you have eaten my biscuit!