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george was doing his homework at nine last night改为一般疑问句

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/05/10 10:14:49
george was doing his homework at nine last night改为一般疑问句
my father has driven a treck for 10 years old改为一般疑问句
1 Was George doing his homework at nine last night?2 Has your father driven a truck for 10 years?
陈述句变一般疑问句的方法:
句中有动词be( am ,is ,are ,was ,were),情态动词(can / could ,may ,must ,will ,would 等),助动词(如完成时态中的HAS / HAD ) ,变一般疑问句直接把这些词提到句首; 否则在句首加助动词Do ,Does (主语第三人称单数),Did (一般过去时),原来的动词要还原;另外,句中有SOME 是一般改为ANY .有already 时要改为yet (且放在句末)