【语法透视】：一般疑问句的用法解析
一般疑问句
一般疑问句也可称为 "yes / no questions"，因这种问句通常用yes / no来回答，相当于汉语中的"……吗?"其语序是：系动词be / 助动词/ 情态动词＋主语＋其他成分? 如：
Are you from Japan?
Yes I am. / No I'm not.
Is her sister doing her homework now?
Yes she is. / No she isn't.
Does he work in a bank?
Yes he does. / No he doesn't.
Do you live near your school?
Yes I do. / No I don't.
Can you speak French?
Yes I can. / No I can't.
May I go home now?
Yes you may. / No you mustn't.
注意：
1.将陈述句变为一般疑问句时，如句中有be 动词（am/ is /are）时，可直接将它们提至主语前。如主语为第一人称，应将其改为第二人称。如：
I'm in Class 2, Grade 1. →Are you in Class 2, Grade 1?
We're watching TV. →Are you watching TV?
2.陈述句中有情态动词（can, may, must …）时，可直接将它们提至主语前，即可成为一般疑问句。如：
He can swim now. →Can he swim now?
The children may come with us. → May the children come with us?
3.陈述句中只有一个实义动词作谓语且其时态为一般现在时，变为一般疑问句时要在句首加do或does 主语后的实义动词用原形。如：
I like these animals. →Do you like these animals?
She wants to go to the movies. → Does she want to go to the movies?
4.一般疑问句一般读升调。
5.一般疑问句有时不用yes或 no 回答。如：
—Are they in town now?
—I think so.
—May I sit here?
—Certainly.
—Does he like soccer?
—Sorry I don't know.
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