 | 1·先找系动词be：am,is,are,was,were。找到后提前变人称（第一人称变第二人称，第三人称不变）加问号。例：you are a pupil变Are youa pupil? 2· 找不到系动词再找情态动词：can may must will shall need could should would might 找到后变人称（第一人称变第二人称，第三人称不变）加问号。例：They will go to school.变Will they go to school?3·找have got,has got ,had got.找到后把have has had 提前，got留在原地不动。变人称加问号 例：You have got a TV.变Have you got a TV?4·添加助动词：do does did,把助动词加在最前面 ，例：I play with a dog变Do you play with a dog.以上四种方法变成疑问句之后把里面的动词都变成原型。
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