for和since语法区别
@董都374：作为时间状语 for和since 的区别 -
洪迹18395696201…… for 跟一段的时间状语连用,如(for three days ) since与表示过去的时间连用 ,如( since three days ago /since last year) 都用于现在完成时
@董都374：for和since的用法和区别 -
洪迹18395696201…… for和since 用于完成时态中的话,for 后接一段时间 for 3 weeks, since后接时间点 since 3weeks ago
@董都374：Since和for的用法和区别 -
洪迹18395696201…… because, since, as & for这四个词都可用来表示原因,区别如下:1. 关于 because:语气最强,表示直接原因,可用于回答 why 提出的问题、引导表语从句、用于强调句等,而其余三者均不行.如:A:Why didn't he come? 他为什么没来?B:...
@董都374：since 和for表示原因时有什么区别用法 -
洪迹18395696201…… since 和for表示原因时的区别用法: since侧重主句,从句表示显然的或已为人所知的理由,常译为“因为”、“既然”,语气比because稍弱,通常置于句首,表示一种含有勉强语气的原因.例如:(1)Since he asks you, you”ll tell him why...
@董都374：英语中,for和since有什么区别 -
洪迹18395696201…… 一,since 的四种用法 1,since + 过去一个时间点(如具体的年、月、日期、钟点、ago. 1990 , last month , half past six I have been here since 1990. 1990起,我一直在这儿. 2,since+ 一段时间+ago I have been here since five months ago.自从...
@董都374：for与since的用法与区别 -
洪迹18395696201…… 1,指时间时,强调延续,for+一段时间,e.g.for a year/for two days;since +过去时间或过去时句子,e.g.since 3 days ago/since last week/since 1999.同时与它们连用的句子的动词也要用延续性动词咯,e.g.The dog has been dead for 5 days.He has had the book since yesterday. 2,指原因时,for的句子不能放到句首咯.
@董都374：for与since的用法与区别 - 作业帮
洪迹18395696201…… [答案] since+过去某一时间或句子,for+一段时间 She has taught in the school for ten years. 她在这所学校教书已经10年了. I haven't eaten anything since breakfast. 我从早饭起就一直没有吃东西.
@董都374：since和for的用法区别 - 作业帮
洪迹18395696201…… [答案] 根据你问题应该是现在完成时的时态 since+具体时间 for +一段时间 比如I have been in Beijing since 2010. I have been in Beijing for one year.
@董都374：for和since的用法区别for用在什么时候 since用在什么时候 - 作业帮
洪迹18395696201…… [答案] since和for的用法与区别Since 用来说明动作起始时间,for用来说明动作延续时间长度. I have lived here for more than twenty years. I have lived here since I was born.. My aunt has worked in a clinic...
@董都374：for和since的用法有什么不同都用于现在完成时,但具体怎么分 - 作业帮
洪迹18395696201…… [答案] 很简单. since+时间点/ 句子,for+时间段 1 I have been here for about 10 years. 2 I have been here since 10 years ago 3 I have been here since I was 10 years old. 4 I have been here since 2001
洪迹18395696201…… for 跟一段的时间状语连用,如(for three days ) since与表示过去的时间连用 ,如( since three days ago /since last year) 都用于现在完成时
@董都374：for和since的用法和区别 -
洪迹18395696201…… for和since 用于完成时态中的话,for 后接一段时间 for 3 weeks, since后接时间点 since 3weeks ago
@董都374：Since和for的用法和区别 -
洪迹18395696201…… because, since, as & for这四个词都可用来表示原因,区别如下:1. 关于 because:语气最强,表示直接原因,可用于回答 why 提出的问题、引导表语从句、用于强调句等,而其余三者均不行.如:A:Why didn't he come? 他为什么没来?B:...
@董都374：since 和for表示原因时有什么区别用法 -
洪迹18395696201…… since 和for表示原因时的区别用法: since侧重主句,从句表示显然的或已为人所知的理由,常译为“因为”、“既然”,语气比because稍弱,通常置于句首,表示一种含有勉强语气的原因.例如:(1)Since he asks you, you”ll tell him why...
@董都374：英语中,for和since有什么区别 -
洪迹18395696201…… 一,since 的四种用法 1,since + 过去一个时间点(如具体的年、月、日期、钟点、ago. 1990 , last month , half past six I have been here since 1990. 1990起,我一直在这儿. 2,since+ 一段时间+ago I have been here since five months ago.自从...
@董都374：for与since的用法与区别 -
洪迹18395696201…… 1,指时间时,强调延续,for+一段时间,e.g.for a year/for two days;since +过去时间或过去时句子,e.g.since 3 days ago/since last week/since 1999.同时与它们连用的句子的动词也要用延续性动词咯,e.g.The dog has been dead for 5 days.He has had the book since yesterday. 2,指原因时,for的句子不能放到句首咯.
@董都374：for与since的用法与区别 - 作业帮
洪迹18395696201…… [答案] since+过去某一时间或句子,for+一段时间 She has taught in the school for ten years. 她在这所学校教书已经10年了. I haven't eaten anything since breakfast. 我从早饭起就一直没有吃东西.
@董都374：since和for的用法区别 - 作业帮
洪迹18395696201…… [答案] 根据你问题应该是现在完成时的时态 since+具体时间 for +一段时间 比如I have been in Beijing since 2010. I have been in Beijing for one year.
@董都374：for和since的用法区别for用在什么时候 since用在什么时候 - 作业帮
洪迹18395696201…… [答案] since和for的用法与区别Since 用来说明动作起始时间,for用来说明动作延续时间长度. I have lived here for more than twenty years. I have lived here since I was born.. My aunt has worked in a clinic...
@董都374：for和since的用法有什么不同都用于现在完成时,但具体怎么分 - 作业帮
洪迹18395696201…… [答案] 很简单. since+时间点/ 句子,for+时间段 1 I have been here for about 10 years. 2 I have been here since 10 years ago 3 I have been here since I was 10 years old. 4 I have been here since 2001
