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

I. Choose the underlined words or phrases that are not correct in standard written English.

1. John used to going to school by bus. Now he goes  by bicycle.

2.  Do you ever wish you live in a castle.                 

3. She asked me how long does it take me to go to school. 

4. Your friends went to your native village last weekend, weren’t they?

5. Sally said she will be a teacher someday .

6. Your brother practices to play the guitar every day , doesn’t he ?

7. He must finish  his homework before going to class , does he ?

8. She wanted to know how long did it take to get there.          

9. It rained heavily while I slept soundly last night.            

10.  Lan wishes that she can go to Singapore to visit her pen pal.