CÓ GIẢI THÍCH 1. Hello, Peter! I (not see ) ________________you for a long time. How are you doing? 2. You (stop) ________________ by a policeman if you try to cross the road now. 3. She wishes she ( not give ) ________________ them her phone number last week. 4. I’m sorry for (not write) ________________to you lately but my house (break) ________________ into a few weeks ago and I have been feeling rather upset since then.

1. Hello, Peter! I (not see ) _____haven't seen___________you for a long time. How are you doing?

For a long  time-> dấu hiệu thì HTHT

2. You (stop) _____will stop___________ by a policeman if you try to cross the road now.

vế có If  chia thì hiện tại-> câu dk loại 1 -> Vế chình chia thì tương lai

3. She wishes she ( not give ) __hadn't gaven ____ them her phone number last week   

    Wish-> lùi thì. 
   Thì đang ở quá khứ ( last week) -> lùi thì -> chia QKHT

. 4. I’m sorry for (not write) __didn't write___to you lately but my house (break) _brocken__ into a few weeks ago and I have been feeling rather upset since then.

  Vì hành động zảy ra trong qk, có "ago"