.陈述句变一般疑问句遵循下列步骤: 1.看句中有没有be动词(am、is、 are、 was、 were)、助动词(do、does、did、 have一、要将陈述句变成一般疑问句,可以、 had)或情态动词(can、must、will、may等),如果有,将其提到句首,句末打上问号即可。 例:It was rainy yesterday. Was it rainy yesterday? Toms father can play the piano. Can Toms father play the piano? I have finished my homework. Have you finished your homework? 2.如果句中没有be动词、助动词或情态动词,则根据谓语动词的形式借助do的相应形式放在句首。 具体方法是: 如果谓语动词是原形,则借do; 如果谓语动词是一般现在时第三人称单数形式,则借does;