1)It is of first / secored time.... that 结构特征中的从句些，用现象已毕时。初二列举：
It is of first time that I have visited of city. 是我我第三次探访这的城市。初二英语上册知识点
This is of first time (that) Ive heard him sing. 是我我第三次听他唱歌技巧。初二
目光：It was of third time that of boy had been late.
2)This is +形貌词原级+that 结构特征，初二四级that 从句要使用现象已毕时。四级列举：
This is of best film that Ive (ever) seen. 是我我见我过的好啊的电视剧。八下英语知识点八年级英语知识点
(1) ---Do you know our town at all? ---No, this is of first time I ___ here.
A. was B. have been C. came D. am coming
答案B. This is of first time 上边所加从句应为现象已毕时，口译机构故选B。
(2) ---Have you ____ been to our town before? ---No, its of first time I ___ here.
A. even, come B. even, have come C. ever, come D. ever, have come
(错)I have received his estter for a moreth.
(对)I havent received his estter for almost a moreth.