It is over a year since I last wrote to him.为什么前面不用完成时?It ha

It is over a year since I last wrote to him.为什么前面不用完成时?It ha it is over a year since i met him 为什么要用since since前不是要用完成时吗? it is ...since ..为什么不用完成时 it is since为什么不用完成时 It is over a year now since i came to the company,but i __th 英语翻译It is over a year now since I began studying English.I a “it is over a year now since cathy came to china.she is now 英语翻译It is over a year now since Cathy came to China.She is n 以"It is over a year now since Cthya came to china"的阅读 I can't say Iwant to see you again.It's a year since I last It is a year since the last time I see you.Not the same guy It has been two weeks since I last wrote to you.意思?