陳述句改一般疑問句：it is a big map

It is a big map改為一般疑問句：Is it a big map?

陳述句改一般疑問句的方法：

一、含有be動(dòng)詞，通常把be動(dòng)詞調(diào)到句首。例如：

They are in the swimming pool.

Are they in the swimming pool?

二、含有情態(tài)動(dòng)詞，把情態(tài)動(dòng)詞調(diào)到句首。例如：

He can drive a car.

Can he drive a car?

三、含有實(shí)義動(dòng)詞，就需要借助助動(dòng)詞do，does（三單）、did（過去式）來構(gòu)成疑問句。例如：

Amy speaks English.

Does Amy speak English?