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"     

1 haven't seen

dấu hiệu: for a long time

chia HT hoàn thành

2 are stopping

dấu hiệu: now

chia HTTD

3 didn't give

dấu hiệu:last week

chia QKĐ

4 didn't write

broken

dấu hiệu:a few weeks ago 

chia QKĐ