it is two years since I started learning English这个句子对吗?为什么?

since+瞬间性动词的疑问It is two years since you come to see me.It is two years since you come here.since后面+的都是瞬间性动词,但第一句表示的是否定,两年没看了,第二句表示的是肯定来了两年了.请问这个sinc it is two years since I came here还是it has been two years since I came here she left home two years ago 改为同义句she left home two years ago 改为it is two years ______she ______home在横线上添单词 It is two to two. it was two years ago when i got to kown him(同义句） it is two years ___ ___ ___ __ __ him It is two meters (years) long (old)造句2个翻译 it is two years since I started learning English这个句子对吗?为什么? the total ages of two boys is seventeen.what will it be in six years' time? It is two years since the Green family moved to France .语法点 it is more than two thousand years old.怎么変问句 It is hoped that after two years,we have the same love.是啥子意思_? It _（be) two years since he left school.答案上是is,但是为什么呢? It is two years after we left school.这个句子对吗? It is between two and three thousand years old.怎么翻译? 修改病句：It is two years since he has begun to work in that factory. It is two meters Our city has changed greatly in the last two years..改为Our city is quite_ _what it was two years ago. This morning I went to the English corner which is in the park near my home.It is three years sinc