新东方在线中考网整理了《2019中考英语复习资料：助动do》，供同学们参考。

　　助动do

　　do作助动词时，只有do, does, did三种形式，无词义，限用于含行为动词的一般现在时和一般过去时两种时态的否定句和疑问句中。如：

　　①They don't have any tickets for tonight's concert.

　　②Kate stayed at home last night, didn't she?

　　③How many books does the library have?

　　④She doesn't do the washing in the evening.

　　相关链接

　　2018中考试题及答案汇总

　　2018中考作文题目汇总(31省市汇总)