not since开头的用法I haven't seen my uncle since I was a child.(begin with not since)

not since开头的用法I haven't seen my uncle since I was a child.(begin with not since) Yes I have been to northern Italy,but not since 1982这里的not since是什么意思,谢谢这句话but not since应该怎么翻译 英语高手not since 的用法not since 的用法,最好举例,谢谢大家啊 英语翻译求解释Since在开头的用法和Since在中间的用法! since before until 的用法!since before until ,not until的用法! 加since的句子时态的用法句子后面+since,前面的时态应该用什么.比如 I___here since I was a child.A.have been staying B.had been staying C.stayed D.have stayed E.had stayed not have 与 have not 的用法与区别 完成时加since的用法have 加延续动词pp 加since短语为从since开始动作的延续,而当动词为瞬间动词是则表示从since开始动作对现在的影响 这样说对么?I have lost my book since 1 year ago.I have been lost my bo i have to 的用法 I I would not regret in falling love you since i have met you the first i have stopped smoking since 2001.的同意句i have ( )( )smoking since 2001. have no,have not ,don;t have的用法区别 since的用法 since的用法 since 的用法 since的用法是什么? since的各种用法 介词 since 的用法?