楼主,句子有主从句之分.这句话中,After the new technique was introduced是时间状语从句,the factory produced twice many as cars in the year before是主句.时间状语从句相当于一个时间状语,只是描述一下主句中动词produced 发生的时间.
另外楼主说的没错,逗号是不能连接两个句子的,可是这里的句子指的是主句不是从句.主句与主句之间连接时必须有并列连词（and,but,or,so,yet...）,从句与主句之间的连接可以直接用一个逗号连接的.谢谢如果是非谓语或者独格也是可用逗号隔开吧？那非谓或者独格的句子结构需不需要也是完整的呢？麻烦举例呢嗯~是的~非谓语或者独格只需用逗号隔开即可。非谓或者独格的句子结构要完整的呀，不然语法就不对了呀~嘿嘿~你找个例子吧，我现在一时也想不出来~如果你还有疑问你可以发信息给我，我给你分析分析~
After the new technique was introduced,thefactory produced twice many as cars in the year before
After the new technique was introduced,thefactory produced twice many as cars in the year before
麻烦分析一下这个句子的结构,重点是讲一下 逗号不是不能连接两个句子吗?那前面的句子结构也完整,后面的也完整 怎么回事呢
麻烦分析一下这个句子的结构,重点是讲一下 逗号不是不能连接两个句子吗?那前面的句子结构也完整,后面的也完整 怎么回事呢
英语人气：712 ℃时间：2020-04-08 13:55:36
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