求采纳
用since和for造句三个
I have arrived here for 3 days.(误)
for 和since
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。
since和for的用法例句
Since it's raining outside, we should stay at home.(由于外面下雨了,我们应该呆在家里。)I haven't seen him for a long time since he moved to another city.(自从他搬到另一个城市后,我就很久没有见到他了。)For的用法:For用来表示一个时间段的长短。例如:I have been studying...
用for和since各造两个句子
I have been here for ten days.I have been here since last Sunday.
用for或since填空
1.Jill has been in Ireland(since)Monday.2.Jill has been in Ireland(for)three days.3.My aunt has lived in Australia(for)15 days.4.Margaret in her office.She has been there (since) 7 o'clock.5.India has been an indendent country(since)1974.6.The bus is late.We've ...
since和for的区别及用法
"for" 和 "since" 是两个常用的表示时间段的词汇。"for" 一般表示一段时间长度,通常和时间段连用,例如:I have been studying English for five years.(我已经学英语五年了。)We have been living in this house for two months.(我们已经住这个房子两个月了。)在以上的例句中,“for”...
用since,for填空
1. They have been waiting for half an hour2. The baby has been sleeping since eight o’clock3. The girl has been playing guitar for an hour4. The girl has been standing since half an hour ago5. They have been skating for twenty hours6. He has been dra...
用for、since、in the past、这三个单词造句
i have been waiting for him for three hours.我等了他三个小时了。i have been waiting for him since three hours ago.我三个小时前已经在等他了。i have waited for him in the past .过去我等过他了。
过去完成时since和for的用法
)They had been married for 10 years before getting divorced.(他们在离婚前已经结婚了10年。)需要注意的是,for后面接的是一个具体的时间段,而不是一个时间点。以上就是过去完成时since和for的用法,希望对大家有所帮助。记住,在使用过去完成时时,需要根据具体情况选择合适的时间状语。
现在完成时用since或for填空
since既可以做连词又可以做介词,意思是【自从。。。】。for一般用作介词。句1意思是:自从前年开始,他就已经住在南京了。句2意思是:自从我们小时候,我们就认识。since we were children是句子,要用连词引导。句3意思是:自从上周起,他就已经在这个村子里了。如果我的回答对你有帮助...