小學(xué)英語語法知識點(diǎn):比較while, when, as 1)as, when 引導(dǎo)短暫性動(dòng)作的動(dòng)詞。 Just as / Just when / When I stopped my car, a man came up to me. 2)當(dāng)從句的動(dòng)作發(fā)生于主句動(dòng)作之前,只能用when 引導(dǎo)這個(gè)從
小學(xué)英語語法知識點(diǎn):讓步狀語從句 1)though, although 注意: 當(dāng)有though, although時(shí),后面的從句不能有but,但是 though 和yet可連用 Although it s raining, they are still working in the field. 雖然在
小學(xué)英語語法知識點(diǎn):條件狀語從句 連接詞主要有 if, unless, as/so long as, on condition that 等。. if 引導(dǎo)的條件句有真實(shí)條件句和非真實(shí)條件句兩種。非真實(shí)條件句已在虛擬語氣中闡述。 unless = if not. Le
小學(xué)英語語法知識點(diǎn):結(jié)果狀語從句 結(jié)果狀語從句常由so that 或 such that引導(dǎo),掌握這兩個(gè)句型,首先要了解so 和 such與其后的詞的搭配規(guī)律。 比較:so和 such 其規(guī)律由so與such的不同詞性決定。such 是形容詞,
小學(xué)英語語法知識點(diǎn):目的狀語從句 表示目的狀語的從句可以由that, so that, in order that, lest, for fear that, in case等詞引導(dǎo),例如: You must speak louder so that /in order that you can be heard
小學(xué)英語語法知識點(diǎn):方式狀語從句 方式狀語從句通常由as, (just) as so , as if, as though引導(dǎo)。 1) as, (just) as so 引導(dǎo)的方式狀語從句通常位于主句后,但在(just) as so 結(jié)構(gòu)中位于句首,這時(shí)as從句帶有
小學(xué)英語語法知識點(diǎn):地點(diǎn)狀語從句 地點(diǎn)狀語從句通常由where, wherever 引導(dǎo)。 Where I live there are plenty of trees. 我住的地方樹很多。 Wherever I am I will be thinking of you. 不管我在哪里我都會想到你
小學(xué)英語語法知識點(diǎn):關(guān)系代詞that 的用法 一、不用that的情況 1) 在引導(dǎo)非限定性定語從句時(shí)。 (錯(cuò))The tree, that is four hundred years old, is very famous here. 2) 介詞后不能用。 We depend on the land f
小學(xué)英語語法知識點(diǎn):what至who+ever 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= anyo
小學(xué)英語語法知識點(diǎn):先行詞和關(guān)系詞 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. (what
小學(xué)英語語法知識點(diǎn):非限定性定語從句 as, which 非限定性定語從句 由as, which 引導(dǎo)的非限定性定語從句,as和which可代整個(gè)主句,相當(dāng)于and this或and that。As一般放在句首,which在句中。 As we know, smoki
小學(xué)英語語法知識點(diǎn):判斷關(guān)系代詞與關(guān)系副詞 方法一: 用關(guān)系代詞,還是關(guān)系副詞完全取決于從句中的謂語動(dòng)詞。及物動(dòng)詞后面無賓語,就必須要求用關(guān)系代詞;而不及物動(dòng)詞則要求用關(guān)系副詞。 例如: This is the mou
小學(xué)英語語法知識點(diǎn):否定轉(zhuǎn)移 1) 將think, believe, suppose, expect, fancy, imagine等動(dòng)詞后面賓語從句的否定詞轉(zhuǎn)移到主句中,即主句的謂語動(dòng)詞用否定式,而從句的謂語動(dòng)詞用肯定式。 I don t think I know
小學(xué)英語語法知識點(diǎn):need 不必做 和 本不該做 didn t need to do表示: 過去不必做某事, 事實(shí)上也沒做。 needn t have done表示: 過去不必做某事, 但事實(shí)上做了。 John went to the station with the car to
小學(xué)英語語法知識點(diǎn):It is (high) time that It is (high) time that 后面的從句謂語動(dòng)詞要用過去式或用should加動(dòng)詞原形,但should不可省略。 It is time that the children went to bed. It is high time that t
小學(xué)英語語法知識點(diǎn):比較if only與only if only if表示 只有 ;if only則表示 如果 就好了 。If only也可用于陳述語氣。 I wake up only if the alarm clock rings. 只有鬧鐘響了,我才會醒。 If only the alarm c
小學(xué)英語語法知識點(diǎn):wish的用法 1)用于wish后面的從句,表示與事實(shí)相反的情況,或表示將來不太可能實(shí)現(xiàn)的愿望。其賓語從句的動(dòng)詞形式為: I wish I were as tall as you.我希望和你一樣高。 He wished he hadn t
小學(xué)英語語法知識點(diǎn):特殊的虛擬語氣詞should 1) It is demanded / necessary / a pity + that 結(jié)構(gòu)中的主語從句的謂語動(dòng)詞要用should 加動(dòng)詞原形, should 可省略。 句型: (1)It is+suggested+that + (should)
小學(xué)英語語法知識點(diǎn):虛擬條件句的倒裝 虛擬條件句的從句部分如果含有were, should, 或had, 可將if省略,再把were, should或had 移到從句句首,實(shí)行倒裝。 Were they here now, they could help us. =If they
小學(xué)英語語法知識點(diǎn):混合條件句 主句與從句的動(dòng)作發(fā)生在不同的時(shí)間,這時(shí)主,從句謂語動(dòng)詞的虛擬語氣形式因時(shí)間不同而不同,這叫做混合條件句。 If you had asked him yesterday, you would know what to do now.
小學(xué)英語語法知識點(diǎn):非真實(shí)條件句 1)時(shí)態(tài):可以表示過去,現(xiàn)在和將來的情況。它的基本特點(diǎn)是時(shí)態(tài)退后。 a.同現(xiàn)在事實(shí)相反的假設(shè) 句型 : 條件從句主句 一般過去時(shí)should( would) +動(dòng)詞原形 例句 If they were he
小學(xué)英語語法知識點(diǎn):真實(shí)條件句 真實(shí)條件句用于陳述語氣,假設(shè)的情況可能發(fā)生,其中 if 是如果的意思。 時(shí)態(tài)關(guān)系 句型: 條件從句 主句 一般現(xiàn)在時(shí) shall/will + 動(dòng)詞原形 If he comes, he will bring his violin
小學(xué)英語語法知識點(diǎn):與后接名詞或代詞保持一致 1) 用half of, part of, most of, a portion of 等詞引起主語時(shí),動(dòng)詞通常與of后面的名詞,代詞保持一致。 Most of his money is spent on books. Most of the s
小學(xué)英語語法知識點(diǎn):指代意義決定謂語的單復(fù)數(shù) 1) 在代詞what, which, who, none, some, any, more, most, all等詞的單復(fù)數(shù)由其指代的詞的單復(fù)數(shù)決定。 All is right. 一切順利。 All are present. 所有