1. is looking
2. has learnt
3. have you known - known
4. Has she fed
5. haven't seen - have been
6. Has she finished
7. Has your dog ever bitten - bitten
8. have just made
9. Have you ever been
10.started
1 . Be careful ! The teacher ( look ) is looking at you
2 . The boy ( learn ) has learnt for three years , but he can't understand this lertter
3 . How long ( you / know ) have you know Paul ?
I ( know ) have know him for five years
4 . Has she ( feed ) fed the cat yet ?
5 . We ( not see ) haven't seen Lan since we ( be ) were on holiday last summer
6 . Has she ( finish ) finished her homework yet ?
7 . Have your dog ( ever bite ) ever bited anymore ?
Yes , he ( bite ) has bited the postman last month
8 . Would you like some coffee ?
I ( just make ) have just make some
9 . Have you ( ever be ) ever been to Ha Noi ?
10 . Our school performance ( start ) started late last Sunday because of the heavy rain
1is looking
2has learnt
3have you known
4Has she fed
5haven't seen-were
6Has she finished
7Has your dog ever bit-bit
8have just made
9Have you ever been
10started
