中考英语《一般现在时》知识点：一般疑问句的几点注意事项
一般用什么问就用什么来回答。
但以下例外：is this a pencil? Yes , it is./ no, it isn't.
is that your backpack? Yes , it is./ no, it isn't.
Are these your parents? Yes, they're./ no, they aren't.
Are those Jim's brothers? Yes, they're./ no, they aren't.
当句子中没有be动词，也没有情态动词时，变一般疑问句时，在主语前加助动词do (i, we, you,以及复数), does(第三人称单数she,he,it等)变成问句。