That is a plane.改为一般疑问句:Is that a plane?
疑问句分为特殊疑问句和一般疑问句。简单来说一般疑问句是可以用yes/no来回答的疑问句。例如:Is that a plane? Yes, it is./No, it isn't. Do you like swimming? Yes, I do./No, I don't. 这类句子如果由陈述句转换为疑问句可以遵循以下规律:找到be动词,提前至句首,句号改为问号。如果找不到be动词,需借助动词。例:1、This is a plane.句中be动词为is,要将此句话改为一般疑问句,则可以将is提前:Is this a plane?
2、You go to school by bike.此句中没有be动词,根据人称为I(第一人称),借助动词do,置于句首:Do you go to school by bike. 如果人称为第三人称:3、She goes to school by bike. 则借助动词does.Does she go to school by bike?
以上均为一般现在时态,还有其他的时态,可以找语法书来看看。
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