将下列句子变成一般疑问句

1.I like singing .
Do you like singing?
2.this is my pen pal .
Is this your pen pal?
3.he goes to work by bus .
Does he go to work by bus?
4.they live in the country .
Do they live in the country?
5.I have a friend .
Do you have a friend?
6.jim likes collecting leaves.
Does jim like collecting leaves?
7.he can go with us .
Can he go with us ?
8.My friend lives in shanghai.
Does your friend live in shanghai?
9.He likes watching TV.
Does he like watching TV?
在教你个方法：
做此类题的一般方法：
把助动词或BE动词提前,再把人称变了就OK.
I like singing.可以看作I do like singing.
助动词do 提前：do i like singing.
加上人称变化：do you like singing?