the book he is looking is very thick.这里可以用2个is吗?这个是什么语法?
问题描述：
the book he is looking is very thick.这里可以用2个is吗?这个是什么语法?
答
从句
答
不能用2个，要用which语句
答
主句一个从句一个，主句the book is very thick，从句he is looking 作定语修饰the book
答
he is looking 是主语从句，是形容the book的！
答
可以,因为he is looking是定语从句,省略了which或that,形容the book主句是the book is very thick
答
主语从句格式