关系代词引导的定语从句 关系代词所代替的先行词是人或物的名词或代词,并在句中充当主语、宾语、定语等成分。关系代词在定语从句中作主语时,从句谓语动词的人称和数要和先行词保持一致。 1)who, whom, ...
关系副词引导的定语从句 关系副词可代替的先行词是时间、地点或理由的名词,在从句中作状语。 1)when, where, why 关系副词when, where, why的含义相当于"介词+ which"结构,因此常常和"介词+ which"结 ...
判断关系代词与关系副词 方法一: 用关系代词,还是关系副词完全取决于从句中的谓语动词。及物动词后面无宾语,就必须要求用关系代词;而不及物动词则要求用关系副词。例如: This is the mountain vill ...
限制性和非限制性定语从句 1) 定语从句有限制性和非限制性两种。限制性定语从句是先行词不可缺少的部分,去掉它主句意思往往不明确;非限制性定语从句是先行词的附加说明,去掉了也不会影响主句的意思,它与主句 ...
介词+关系词 1)介词后面的关系词不能省略。 2)that前不能有介词。 3) 某些在从句中充当时间,地点或原因状语的"介词+关系词"结构可以同关系副词when 和where 互换。 This is the house in which I liv ...
as, which 非限定性定语从句 由as, which 引导的非限定性定语从句,as和which可代整个主句,相当于and this或and that。As一般放在句首,which在句中。 As we know, smoking is harmful to one's heal ...
先行词和关系词二合一 1)Whoever spits in public will be punished here. (Whoever 可以用 anyone who 代替) 2)The parents will use what they have to send their son to technical school. ...
1)what = the thing which;whatever = anything What you want has been sent here. Whatever you want makes no difference to me. 2) who= the person that whoever= anyone who (错)W ...
1)不用that的情况 a) 在引导非限定性定语从句时。 (错) The tree, that is four hundred years old, is very famous here. b) 介词后不能用。 We depend on the land from which we g ...
什么是状语从句? 简单来说,状语从句就是用一个完整的句子来充当状语,用于修饰主句的动词、形容词、副词或整个句子,说明动作发生的时间、地点、原因、条件、方式、目的、结果、让步等情况。 状语 (Adverbia ...
地点状语从句通常由where, wherever 引导。 Where I live there are plenty of trees. 我住的地方树很多。 Wherever I am I will be thinking of you. 不管我在哪里我都会想到你。
方式状语从句通常由as, (just) as…so…, as if, as though引导。 1) as, (just) as…so…引导的方式状语从句通常位于主句后,但在(just) as…so…结构中位于句首,这时as从句带有比喻的含义,意思是"正如…"," ...
1) because语势最强,用来说明人所不知的原因,回答why提出的问题。当原因是显而易见的或已为人们所知,就用as或 since。 I didn't go, because I was afraid. Since /As the weather is so bad, we have ...
目的状语从句 表示目的状语的从句可以由that, so that, in order that, lest, for fear that, in case等词引导,例如: You must speak louder so that /in order that you can be heard by all. ...
结果状语从句 结果状语从句常由so… that 或 such…that引导,掌握这两个句型,首先要了解so 和 such与其后的词的搭配规律。 比较:so和 such 其规律由so与such的不同词性决定。such 是形容词,修饰名词 ...
条件状语从句 连接词主要有 if, unless, as/so long as, on condition that 等。. if 引导的条件句有真实条件句和非真实条件句两种。非真实条件句已在虚拟语气中阐述。 unless = if not. ...
让步状语从句 though, although 注意: 当有though, although时,后面的从句不能有but,但是 though 和yet可连用 Although it's raining, they are still working in the field. 虽然在下雨,但他们 ...
比较while, when, as 1)as, when 引导短暂性动作的动词。 Just as / Just when / When I stopped my car, a man came up to me. 2)当从句的动作发生于主句动作之前,只能用when 引导这个从句,不可用 ...
比较until和till 此两个连词意义相同。肯定形式表示的意思是"做某事直至某时",动词必须是延续性的。否定形式表达的意思是"直至某时才做某事"。动词为延续性或非延续性都可 以。 正确使用这两个连词的关键 ...
表示"一…就…"的结构 hardly/scarcely…when/before, no sooner…than 和as soon as都可以表示"一…就…"的意思,例: I had hardly / scarcely got home when it began to rain. I had no sooner ...