he wastired because he had had inadequate sleep last night.请问怎么有2个had呢

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/09 13:36:37
he wastired because he had had inadequate sleep last night.请问怎么有2个had呢

he wastired because he had had inadequate sleep last night.请问怎么有2个had呢
he wastired because he had had inadequate sleep last night.
请问怎么有2个had呢

he wastired because he had had inadequate sleep last night.请问怎么有2个had呢
第一个had是虚词,是构成时态(在本句中构成过去完成时),而第二个had则是实词,也就是有实际意义的动词

他wastired ,因为他不得不昨晚睡眠不足。

第一个是表示过去完成时,第二个是表示have的过去时。

第一个had是过去完成时,第2个表示的一个词组,和be adequate类似。