举报
矿长
since we met last year 是since引导的时间状语从句,meet 是延续性动词。翻译成汉语是要用否定语气 即“已10年没见了” since he left home是since引导的时间状语从句, leave 是非延续性动词。翻译成汉语是要用肯定语气 即“已离开家3年了” 又如It is 5 years since he learned French (learn是延续性动词,他已5年不学法语了) It is 5 years since he began to learn French(began 是非延续动词, 他开始学法语5年了)