题目内容：

this is first time that i take the plane..是定语从句吗?

优质解答

语法上是没什么错的,但是一般我们后面用完成时.This/It is the first/second/.../ time that sb have done sth.或者This/It was the first/second/.../ time that sb had done sth.是固定句式,这是某人第几次做某事....