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短语 语法填空题 when ____you buy the car ——In 1998did 为什么不用were 要用d

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短语 语法
填空题 when ____you buy the car ——In 1998
did
为什么不用were 要用did
并说明什么情况下改用are 什么情况下可以用do
短语 语法填空题 when ____you buy the car ——In 1998did 为什么不用were 要用d
我是这样理解的：
如果在一个句子里已经有一个实义动词了,那么助动词do（并根据人称和时态,加以变化）
如：when ____you buy the car ? ——In 1998
在这个句子当中已经有个实义动词buy了,就应该用助动词do.因为是过去时,所以改成did
如果一个句子里没有实义动词的话,就用be动词（并根据人称和时态,加以变化）如：Where _______ Tom ? 在这个句子没有实义动词,就应该用be动词
不知道这个方法对你适不适用
短语 语法填空题 when ____you buy the car ——In 1998did 为什么不用were 要用d How much is the car/How much did you buy the car?Traslate in when did she have the apple in her hand为什么用have,不用has When were you born?这个句子为什么不用When did you born? When ____he ____you that he____(buy)this car?在____中填上said或to 英语填空题怎么写填进适当的单词或短语1.When the man saw the car accident on the when were you in the pub和when did you in the pub有何不同? The three shirts were all nice.Which one did John buy?John d Did you use to be afraid of the dark?为什么要用Did而不用Were. 5. — Were all three people in the car injured in the acciden where did you buy yesterday 为什么buy不用过去式 选词填空 1、when 2、what 3、who 4、where ——did you meet in the super