who taught和who did teach
问题描述:
who taught和who did teach
这是新概念二中一题,我不明白两者区别
答
意思是一样的,都是在过去时.只是who did teach更强调过去时,did 起强调作用.强调过去的确教过学.
who taught和who did teach
这是新概念二中一题,我不明白两者区别
意思是一样的,都是在过去时.只是who did teach更强调过去时,did 起强调作用.强调过去的确教过学.