如题所述
i have had the book for two weeks.
he has had the book since two weeks ago.
my sister has studied english since one month ago.
they have been skating for five hours.
they have been skating since five o'clock
用how far与since和for造句
How far is it from your home to school?
He has known me since he came here.
He has known me for ten years.
for和since的用法区别
区别：
1，Since +时间点，具体时间 “自从、、、以来，从、、、以后” 用来说明动作起始时间 例句：I have been in Beijing since 2010.
2，For + 时间段，用来说明动作延续时间长度，因此句中的谓语动词，也应该是延续性动词。
例句：
I have been here for 3 days. (对)
I have arrived here for 3 days.（误）
i have had the book for two weeks.
he has had the book since two weeks ago.
my sister has studied english since one month ago.
they have been skating for five hours.
they have been skating since five o'clock
本回答被提问者采纳i studied here for 2 years
用since和for造句三个
I have arrived here for 3 days.（误）
since和for的用法
这两个词都可以和表示时间的词语连用。一般说来, for后接一段时间,用以说明某事一直进行了多长时间，而since后接某一时间(过去的一个时间点),用以表示某件事开始的时间。一、for词汇分析音标：[fə(r)]释义：prep. 为，为了；因为；给；对于；至于；适合于 conj. 因为 短语except for 除了...
用for、since、in the past、这三个单词造句
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。
用for、since、in the past、这三个单词造句
I have wait him for a long time.(for) I have worked in this company since last year.(since) I have seen the film in the past.(in the past)记得采纳啊
1分别用for短语, since短语或从句造句 用现在完成时 2用that is why造...
I have been here for 3 years. for延续，加时间段。I have been here since 2009. since加时间点。that is why 是主语从句中的表语从句。That is why i come here.这就是我来这的原因。
neck+hurts\/+two+day用现在完成语和for或since造句?
hurt for two days. 我的脖子已经疼了两天了。I have had a sore neck since yesterday. 我从昨天开始就有脖子痛。She has been working on her project for a week. 她已经在做她的项目一个星期了。He has not seen his parents since last month. 他上个月以来就没有见过他的父母了。
用how far与since和for造句
so far 到目前为止 since 自xx开始 ago xx以前 already 已经 从题意上看是，我一直在这所学校工作自从我毕业以后。所以应该选择 a since
现在完成时2种用法:持续和影响,的结构是什么?
have \/has done , 如果是短暂性动词不能和 for \/ since 引导的时间状语连用。用法二： 表示过去发生的动作一直持续到现在，甚至还可能再持续下去，可以和for\/since 表示一段的时间状语连用。eg He has come .He has been here for half an hour\/ since half an hour ago....
since +时间点 造句
Since 1980s，we have not seen each other for thirty-one years. 从1980年起我们互相没有见面有31年了。 Since引导的时间状语从句中时态用完成时，而且常跟for联用。
since自从造句?
三、词语搭配：since then：从那时起 ever since：自从那时以来 since when：从什么时候开始 四、单词用法：since作为介词时，用来表示某个时间点或事件之后的时间段。e.g. I haven't seen her since last week.自从上周以来我就没见过她。since还可以用作连词，引导原因或理由。e.g. I haven't...
