23. as,because,for,since 用作连词时都可引导原因状语从句。
as: 由于、既然,语气较弱,常用来表示一些显而易见或对方都知道的原因。引导的从句可放于主句之前,也可放在主句之后。
Its very difficult for us to know what to do as we are not his parents,由于我们并非他的父母,我们很难知道究竟该做什么。
because: 因为 惟一能用于回答以why 开头的句子,此外还可用于引导复合句中的原因状语从句,置于主句之后,为了强调,也可放到主句之前。常用词组:because of因为;not because.but because 不是因为而是因为...
Because he was so fearful of making a grave error, he never prescribed anything but the smallest doses of any drug.由于他非常害怕出大的差错,他开任何药品都只开最小的剂量。
l did not criticize the acting, not because I hesitated to tell what I thought but becaue I really did not feel competent. 我没有对演技进行批评,并不是我不愿说出我的想法,而是因为我真的觉得自己不够格。
for: 因为,在同一个复合句中,for 引导的状语从句不可置于主句之前;有时从句不表示原因,而只是为主句中的结论提供推断的理由,该从句只能用for 引导,且从句前有逗号与主句隔开。
It must have rained in the night , for when I woke the next morning I saw the grass wet. 昨晚肯定下雨了,因为第二早上我看见草是湿的。
since: 既然、鉴于的事实,语气较弱,表示理由或原因较为明显或谈话双方都有所了解。
Philip was not prepared for the question , since in fact he had not made up his mind. 菲利浦对这个问题没有准备好 ,因为他实际上还没有拿定主意。
A Childs Recognition 孩子的认知
国内英语资讯:Xi calls for increased cooperation between CPC, non-Communist parties
国际英语资讯:Austrian Peoples Party becomes strongest party in parliament: election projection
榴莲为什么这么“臭”?未来或可培育无味榴莲
国际英语资讯:U.S. magazine publisher offers 10 mln USD for info to help impeach Trump
双语盘点:党的十八大以来大国外交谱写新篇章
体坛英语资讯:Jeff Horn awarded Australian sports top award after beating Manny Pacquaio
科学家指出《泰坦尼克号》最大漏洞,你发现了吗?
Back into your shell?
京东和阿里巴巴恶战打响!奢侈品之争谁能赢?
国内英语资讯:CPC Central Committee plenum makes full preparation for key congress
去泰国海滩千万不要吸烟啦!
体坛英语资讯:Late Ronaldo goal gives Real Madrid vital win in Getafe
体坛英语资讯:Sivolap/Velichko rally past Virgen/Ontiveros to win first World Tour title in Qinzhou Open
体坛英语资讯:Spain line up Portugal and Russia friendlies to start World Cup preparations
爱彼迎又曝偷拍丑闻,摄像头正对床位!住民宿如何防偷窥
以貌取人? 伊朗教育部门禁止丑人当老师!
国内英语资讯:China, U.S. work on clean energy cooperation at bilateral forum in Denver
国内英语资讯:Chinese philanthropy contributes greatly to sustainability goals: UN official
国内英语资讯:Xi sends video message to WorldSkills Competition
美文赏析:人品才是最高的学历
美文赏析:努力,是一种生活态度
老外在中国:记一次北京公交车上的历险
体坛英语资讯:Strachan steps down as Scotland manager
体坛英语资讯:Stefanidi, Vetter named European Athletes of the Year in Vilnius
国际英语资讯:Vietnams Da Nang completes logistics preparations for APEC week
体坛英语资讯:Dutch team wins seventh World Solar Challenge title in Australia
黑人秒变白人?多芬沐浴露典型是在搞事情!
国内英语资讯:Interview: Chinas Belt and Road Initiative could better foster economic integration: Chine
国内英语资讯:Spotlight: Super Truck loads U.S., China energy efficiency cooperation
| 不限 |
| 英语教案 |
| 英语课件 |
| 英语试题 |
| 不限 |
| 不限 |
| 上册 |
| 下册 |
| 不限 |