中考网整理了关于2021年中考英语复习之过去完成进行时句型结构，期望对同学们有所帮助，仅供参考。过去完成进行过去完成进行时用来描述一项活动在其他事情发生之前已经进行了多久。这种时态常与下列时间短语连用:... for X hours, days, months, 等等... since Monday, Tuesday, 等等基本结构一定的Subject + had + been + verb + ing + object(s) + time expression主语+ had + been +动词+ ing +宾语(s) +时间表达She had been waiting for two hours when he finally arrived.否定的Subject + had not (hadnt) + been + verb + ing + object(s) + time expression主语+ had not (hadnt) + been +动词+ ing +宾语(s) + timeThey hadnt been working long when the boss asked them to change their focus.问答(Question Word) + had + subject + been + verb + ing + object(s) + time expression(疑问词)+ had +主语+ been +动词+ ing +宾语(s) +时间表达How long had Tom been working on that project when they decided to give it to Pete?
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