We he 1000 square meters of large-scale clean lab, purchased a lot of advanced equipment. 句子中的he和purchased的时态不一样,这样写有没有错呢?大家不要笑哈,我中学语法时态没学好呀。类似的句子还有: We he been certified by ISO9001 quality management system and own six patents. 其中的certified和own的时态也不一样。 求各位解答,感激不尽!
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网友回答:谢谢你!
网友回答:谢谢你!
网友回答:一句话里,时态不需要统一,时态不同,意思不同比如:Mike is eating the same dish he ate yesterday.We he 1000 square meters of large-scale clean lab, purchased a lot of advanced equipment.这句里,1000㎡的实验室是现在拥有的,后面的设备是以前购的。We he been certified by ISO9001 quality management system and own six patents.同理,ISO9001认证是已完成的一个动作,所以用完成时,后面的6项专利,是一个事实,用一般现在时。