分词的时态
- 阅1441)与主语动词同时， Hearing the news, he jumped with joy. 听到这一消息，他高兴得手舞足蹈。 Arriving there, they found the boy dead. 刚一到那儿，他们就发现那男孩死了。 典型例题 The secretary worked late into the night, ___a long speech for t......
分词的语态
- 阅1421)通常，现在分词表示主动，过去分词表示被动，例如： He is the man giving you the money. 他就是给你钱的那个人。 He is the man stopped by the car. 他就是那个被车拦住的人。 2)不及物动词的过去分词表示动作已经发生 gone, fallen, retired, grown-up......
比较since和for
- 阅90Since 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 since 1949. Some new oilfields have been opened up since 1976. I ha......
独立主格
- 阅146一)： 独立主格结构的构成： 名词+现在分词、过去分词; 名词+形容词; 名词+副词; 名词+不定式; 名词 +介词短语构成。 (二) 独立主格结构的特点： 1)独立主格结构的逻辑主语与句子的主语不同，它独立存在。 2)名词或代词与后面的分词，形容词，副词，不定 式......
since的四种用法
- 阅951) since +过去一个时间点 。 I have been here since 1989. 2) since +一段时间+ ago I have been here since five months ago. 3) since +从句 Great changes have taken place since you left. Considerable time has elapsed since we have been here. 4......
一般将来时
- 阅121) shall用于第一人称，常被will 所代替。 will 在陈述句中用于各人称，在争求意见时常用于第二人称。 Which paragraph shall I read first. Will you be at home at seven this evening? 2) be going to +不定式，表示将来。 a. 主语的意图，即将做某事。 W......
现在进行时
- 阅180现在进行时的基本用法： a. 表示现在 正在发生的事情。 We are waiting for you. b. 习惯进行：表示长期的或重复性的动作，说话时动作未必正在进行。 Mr. Green is writing another novel. She is learning piano under Mr. Smith. c. 表示渐变的动词有：get......
一般现在时代替将来时
- 阅103时间状语从句，条件句中，从句用一般现在时代替将来时 When, while, before, after, till, once, as soon as, so long as, by the time, if, in case , unless, even if, whether, the moment, the minute, the day, the year, immediately He is going to v......
延续动词与瞬间动词
- 阅2011) 用于完成时的区别 延续动词表示经验、经历; 瞬间动词表示行为的结 果，不能与表示段的时间状语连用。 He has completed the work. 他已完成了那项工作。 Ive known him since then. 我从那时起就认识他了。 2) 用于till / until从句的差异 延续动词用于肯......
倒装句之部分倒装
- 阅219部分倒装是指将谓语的一部分如助动词或情态倒装至主语之前。如果句中的谓语没有助动词或情态动词，则需添加助动词do, does或did，并将其置于主语之前。 1) 句首为否定或半否定的词语，如no, not, never, seldom, little, hardly, at no time, in no way, not......
强调句结构
- 阅117常考的强调句结构是it 引导的句子。 It is 被强调部分+ that + 句子其他部分。 此结构强调的成分仅限于主语，宾语和状语。 It is from the sun that we get light and heat. It was not until I had read your letter that I understood the true state of a......
过去完成时
- 阅151) 概念：表示过去的过去 ----|-------|-----|----其构成是had +过去分词构成。 那时以前 那时 现在 2) 用法 a. 在told, said, knew, heard, thought等动词后的宾语从句。 She said she had never been to Paris. b. 状语从句 在过去不同时间发生的两个动作......
不用被动语态的情况
- 阅831) 不及物动词或动词短语无被动语态： appear, die disappear, end , fail, happen, last, lie, remain, sit, spread, stand break out, come true, fall asleep, keep silence, lose heart, take place. After the fire, very little remained of my house.......
以否定词开头作部分倒装
- 阅4如 Not onlybut also, Hardly/Scarcelywhen, No sooner than Not only did he refuse the gift, he also severely criticized the sender. Hardly had she gone out when a student came to visit her. No sooner had she gone out than a student came to v......
用一般过去时代替完成时
- 阅711) 两个动作如按顺序发生，又不强调先后，或用then，and，but 等连词时，多用一般过去时。 When she saw the mouse，she screamed. My aunt gave me a hat and I lost it. 2 ) 两个动作相继发生，可用一般过去时;如第一个动作需要若干时间完成，用过去完成时......
不用进行时的动词
- 阅551) 事实状态的动词 have, belong, possess, cost, owe, exist, include, contain, matter, weigh, measure, continue I have two brothers. This house belongs to my sister. 2) 心理状态的动词 Know, realize, think see, believe, suppose, imagine, agre......
主动形式表示被动意义
- 阅251)wash, clean, cook, iron, look, cut, sell, read, wear, feel, draw, write, sell, drive The book sells well. 这本书销路好。 This knife cuts easily. 这刀子很好用。 2)blame, let, remain, keep, rent, build I was to blame for the accident. Much......
反意疑问句
- 阅1931) 陈述部分的主语是I，疑问部分要用 arent I. Im as tall as your sister，arent I? 2) 陈述部分的谓语是wish，疑问部分要用may +主语。 I wish to have a word with you, may I? 3) 陈述部分用 no, nothing, nobody, never, few, seldom, hardly, rarely,......
一般现在时表将来
- 阅1911)下列动词：come, go, arrive, leave, start, begin, return的一般现在时表将来。这主要用来表示在时间上已确定或安排好的事情。 The train leaves at six tomorrow morning. When does the bus star? It stars in ten minutes. 2)倒装句，表示动作正在进行......
过去进行时
- 阅301) 概念：表示过去某时正在进行的状态或动作。 2) 过去进行时的主要用法是描述一件事发生的背景;一个长动作发生的时候，另一个短动作发生。 3) 常用的时间状语 this morning, the whole morning, all day yesterday, from nine to ten last evening, when, w......