【文章內(nèi)容簡介】 態(tài)動詞(can,could等等)提到主語的前面變成疑問句。：①陳述句：She is a → Is she a student?否定句→ She is not a student.②陳述句：I can → Can you swim否定句→ I can not swim.（2）當句子中即沒有be動詞，也沒有情態(tài)動詞時，則在主語前加助動詞do(you,以及復數(shù)), does（單數(shù)she,he,it）變成問句；在主語后謂語動詞前加助動詞don’t（I,you,以及復數(shù)), doesn’t（單數(shù)she,he,it）變成否定句，助動詞后的動詞要變成動詞原形。例：①陳述句：We get up at 7:00 every →Do you get up at 7:00 every morning?否定句→We don’t get up at 7:00 every morning.②陳述句：She has a little → Does she have a little brother? 否定句→ She doesn’t have a little 更新時間：2013/10/31 14:42:45 發(fā)布者：佚名一般過去時表示過去某一時候或某一段時間所發(fā)生了的事情或存在的狀態(tài)。常與過去時間yesterday, this morning, just now, a moment ago, in May, last night / year / week, once upon a time, the other day, before ?, when – clause, in the past連用。如：What did you do yesterday? 昨天你干了什么?I met Lin Tao this 。I was there a moment 。(1)表示過去某時所發(fā)生的動作或存在的狀態(tài)。如：Liu Ying was in America last 。Jim rang you just 。(2)表示過去經(jīng)?；蚍磸桶l(fā)生的動作。常接時間副詞often, usually, always, sometimes, every day / week, ：We often went out for a walk after 。We usually played 。(from )一般過去時的謂語動詞要用動詞的過去式。動詞過去式的構(gòu)成分規(guī)則變化和不規(guī)則變化兩種形式，不規(guī)則變化通常需要逐個記憶，規(guī)則變化則遵循以下原則：(1)一般在動詞后加ed。如：play—played, offer—offered, weigh—weighed, destroy— destroyed, sign—signed.(2)在以字母e結(jié)尾的動詞后，只加d。如：like—liked, provide—provided, hate — hated, date—dated。(3)在以“輔音字母+y”結(jié)尾的動詞后，則改y為i，再加—ed。如：supply—supplied, fly—flied, study— studied.(from )(4)在以單短元音的重讀閉音節(jié)結(jié)尾且，末尾只有一個輔音字母的動詞后，雙寫最后一個輔音字母，再加ed。如：plan—planned, refer—referred, regret—regretted, ban—有些動詞的過去時，如：expect, hope, intend, plan, wanted 等一般過去時，后接不定式的完成時。或它們的過去完成時接不定式的一般式，都可表示過去未曾實現(xiàn)的意圖、打算或希望。如：I hoped to have been invited to his wedding party.—I had hoped to be invited to his wedding 。I intended to have joined their games.—I had intended to join their 。過去進行時過去進行時（Past continuous tense或Past Progressive tense）表示在過去某一時刻或某一段時間內(nèi)進行或發(fā)生的動作。不強調(diào)是否完成?；靖拍钫郫B編輯本段一、概念和用法：過去進行時表示在過去某一時刻或某一段時間內(nèi)進行或發(fā)生的動作。其形式為was /were + Ving。常與表示過去的時間狀語連用，如：last night,last Saturday等；或者與when,while,as引導的過去時間狀語連用。例如：We were watching TV from seven to nine last 。What was he researching all day last Sunday? 上周日他一整天都在研究什么？二、過去進行時可以表示在過去某個時間點發(fā)生的事情。時間點可以用介詞短語、副詞或從句來表示。如：What was she doing at nine o‘clock yesterday? 昨天晚上九點她在做什么？（介詞短語表示時間點）When I saw him he was decorating his 。（when從句表示時間點）三、在復合句中，如果主要動作和背景動作都是延續(xù)的或同時發(fā)生的，那么主從句的動詞都可用過去進行時。例如：While he was waiting for the bus,he was reading a 。（兩個動作都是延續(xù)的）He was cleaning his car while I was 。（兩個動作同時進行）四、通常不能用于過去進行時的動詞主要有：agree,be動詞,believe,belong,care,forget,hate,have（擁有），hear,know,like,love,mean,mind,notice,own,remember,seem,suppose,understand,want,wish等。例如：誤：I was knowing the ：I knew the 。誤：I wasn‘t understanding “主語+was/were +doing”構(gòu)成EX： We were having supper when the phone 。“主語+was/were not +”構(gòu)成。EX： This time yesterday Jack was not watching was repairing his ，杰克不是在看電視，而是在修理自行車?！皐as/were +主語+ ”組成。EX： Were you playing basketball at four yesterday afternoon? 昨天下午4點你們在打籃球么?句型 折疊肯定句=主語+was/were+doing+其它否定句=主語+was/were+not+doing+其它一般疑問句=Was/Were+主語+doing+其它答語：Yes,I was/,I wasn39。t/weren’=特殊疑問詞+一般疑問句+其它例句 折疊We were having supper when the phone ，電話響了?This time yesterday Jack was not watching 。He was repairing his 。When/While we were having supper, the light went ，燈熄滅了。While we were talking, the teacher came ,老師進來了。While he was waiting for the bus, he was reading a 。He was cleaning his car while I was ，我正在做飯。Tom was getting up at six o’clock every day that 。主要用法折疊編輯本段 基本用法 折疊。過去進行時如：He fell asleep when he was 。、客氣。如：I was wondering if you could give me a ?！咀ⅰ恳话氵^去時也有類似用法，但比較而言，用過去進行時顯得更客氣，更不肯定。，過去進行時也可表示滿意、稱贊、驚訝、厭惡等感情色彩，也通常與 always,forever,continually等副詞連用。如：They were always 。比較：He was 。（指過去長期如此）He was being 。（指當時一時的表現(xiàn)）補充：when 的后面加任意時態(tài)，而且動詞是短暫性動詞。while 的后面加進行時，動詞是延續(xù)性動詞同省同留。5，當兩個動作在過去某一時間同時發(fā)生時、用過去進行時表示較長的動作，可用于主句和從句。例：He waswatchingTVwhenhis mothercamein.{當他媽媽進來時，他正在看電視}特殊用法 折疊當句子意思很清楚時，我們也可以把兩個動詞都換成一般過去時。We listened carefully when the teacher read the ，我們都仔細地聽著。表示按計劃、安排過去將要發(fā)生的事。用于e,go,leave,start,arrive等表示位置轉(zhuǎn)移的動詞時，也可以用過去進行時表示過去將要發(fā)生的動作。如：He told me that he was going 。表示故事發(fā)生的背景。It was snowing as the medical team made its way to the ，天正下著雪。表示一個新的動作剛剛開始。過去進行時可用來引出一個新的動作，這種用法頗有點兒像鏡頭轉(zhuǎn)換。Five minutes later,he stood in the doorway smoking a ，他已站在門口抽著煙。過去進行時還可和when結(jié)構(gòu)遙相呼應，含有意外之意。I was walking in the street when someone called 。用來陳述原因或用作借口。She went to the doctor was having a lot of trouble with her 。她患了很嚴重的心臟病。與always,constantly等詞連用，表示感情色彩。The girl was always changing her 。用在狀語中。例：He felt asleep when he was ，他睡著了。正：I didn‘t understand 第五篇：名詞單復數(shù)一、名詞名詞可以分為可數(shù)名詞與不可數(shù)名詞，其中可數(shù)名詞具有單、復數(shù)的形式；而不可數(shù)名詞沒有復數(shù)形式。 復數(shù)，變形規(guī)則如下：1．一般情況下，直接加s，如：bookbooks, bagbags, catcats, bedbeds 2．，加es，如：busbuses, boxboxes, watchwatches 3．以“輔音字母+y”結(jié)尾，變y為i, 再加es，如：familyfamilies（家庭）, strawberrystrawberries（草莓）4．以“f或fe”結(jié)尾，變f或fe為v, 再加es，如：knifeknives 5．不規(guī)則名詞復數(shù)： manmen, womanwomen, policeman（男警察）pol