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

this is first time that i take the plane..是定语从句吗? this is the first time that i have come here;是定语从句的话,它的先行词什么 it is the first time that 是状语从句还是定语从句,that可省略吗? this is the first time that Ihave been here 是定语从句吗?请分析句子结构 it is the first time that i have been here 是定语从句么?that做谁的宾语? it is the first time that是主语从句吗 This is the first time that I ______(be)there This is the first time that I have been abroad This is the first time that i have come beijing. it is the last time that i shall come here to help you 是定语从句 This/It is the first/second … (序数词) time + that 从句 属于什么从句? It is the first time that we travel. 在这个定语从句中