一、肯定
1. 你去吗?
Are you going?
2. 他/她是美国人吗?
Is he/she American?
3.你有书吗?
Do you have a book?
二、否定
1、你不去吗?
Aren't you going
2、他/她 不是美国人吗?
Isn't he/she American
3、你没有书吗?
Don't you have a book?
一、肯定
1. 你去吗?
Are you going?
2. 他/她是美国人吗?
Is he/she American?
3.你有书吗?
Do you have a book?
二、否定
1、你不去吗?
Aren't you going
2、他/她 不是美国人吗?
Isn't he/she American
3、你没有书吗?
Don't you have a book?