英语语法问题,我认为有两个谓语了,请帮我分析下Long before children are able to speak or _英语解答

英语语法问题,我认为有两个谓语了,请帮我分析下
Long before children are able to speak or understand a language,they communicate through facile expressions and by making noises.

人气：286 ℃　时间：2020-05-28 11:46:18

解答

谓语只有一个communicate ,Long before 引导的是条件状语从句,那么Long before 后面的句子是状语成分,不是主句,主句是逗号后面的句子,所以只看主句,这样说你明白吗