Choose the words or phrases that are not correct in standard English

III. Choose the words or phrases that are not correct in standard English.
1.     When he came, I watched a football match on TV.

2.     When Andrew saw the question, he were knowing the answer immediately.

3. Mai has stayed on her uncle's farm for last week.

4.     I'm looking forward to hear from you .

5. They asked me don’t talk during the discussion. 

5.     Would you mind if I ask you a private question?

7.They happily looked at their  children  to play in the yard.

8.     This is the first time  I visited a famous place in Hanoi.

     9. Our teacher told to us  to spend   more time at home   practicing our pronunciation.

     10.You shouldn’t let your children playing with matches.