【正文】 The accident happened at the time when I left.非限制性定語從句　對先行詞作附加的說明，與主句的關系不十分密切，較松散。The situation is encouraging.The book is well written.(常見分詞有astonishing, moving, tiring, disappointing, puzzling, shocking, boring, amusing及其ed形式)九．定語從句I.定語從句起了形容詞的作用，在句中修飾一個名詞或代詞。強調動作正在進行，尚未完成I found her listening to the radio.過去分詞動賓關系。但be able to可以表達“某事終于成功”，而can無法表達此意。如：It is believed that…It is generally considered that…It is said that…It is well known that…It must be pointed out that…It is supposed that…It is reported that…It must be admitted that…It is hoped that…下面主動形式常表示被動意義：如：The window wants/needs/requires repairing.The book is worth reading twice.The door won’t shut. / The play won’t act.The clothes washes well. / The book sells well.The dish tastes delicious. / Water feels very cold.下面詞或短語沒有被動態(tài)：leave, enter, reach, bee, benefit, cost, equal, contain, last, lack, fit, fail, have, appear, happen, occur, belong to, take place, break out, e about, agree with, keep up with, consist of, have on, lose heart等等七．情態(tài)動詞I.情態(tài)動詞基本用法：情態(tài)動詞用法否定式疑問式與簡答can能力（體力，智力，技能）允許或許可（口語中常用）可能性（表猜測，用于否定句或疑問句中）can not / cannot /can’t doCan…do…?Yes,…can.No,…can’t.couldcouldn’t domay可以（問句中表示請求）可能，或許（表推測）祝愿（用于倒裝句中）may not do May…do…? Yes,…may.No,…mustn’t/can’t.mightmight not doMight…do…? Yes,…mightNo,…might not.must必須，應該（表主觀要求）肯定，想必（肯定句中表推測）must not/mustn’t doMust…do…? Yes,…must.No,…needn’t/don’t have to.have to只好，不得不（客觀的必須，有時態(tài)人稱變化）don’t have to doDo…h(huán)ave to do…?Yes,…do.No,…don’t.ought to應當（表示義務責任，口語中多用shouldought not to/oughtn’t to doOught…to do…?Yes,…ought. No,…oughtn’t.shall將要，會用于一三人稱征求對方意見用于二三人稱表示許諾、命令、警告、威脅等shall not/shan’t doShall…do…?Yes,…shall.No,…shan’t.should應當，應該（表義務責任）本該（含有責備意味）should not/shouldn’t doShould…do…?will意愿，決心請求，建議，用在問句中would比較委婉will not/won’t doWill…do…?Yes,…will.No,…won’t.wouldwould not/wouldn’t dodare敢（常用于否定句和疑問句中）dare not/daren’t doDare…do…?Yes,…dare. No,…daren’t.need需要必須（常用于否定句和疑問句中）need not/needn’t doNeed…do…?Yes,…must. No,…needn’t.used to過去常常（現(xiàn)在已不再）used not/usedn’t/usen’t to dodidn’t use to doUsed…to do…?Yes,…used.No,…use(d)n’t.Did…use to do…?Yes,…did.No,…didn’t.II. 情態(tài)動詞must, may, might, could, can表示推測：以must為例。簡言之，僅談過去，不關現(xiàn)在。1. 同級比較時常常用 as…as…以及not so(as)…as…如：I am not so good a player as you are.2. 可以修飾比較級的詞有：much, many, a lot, even, far, a bit, a little, still, yet, by far, any, a great deal。I have read this article in some magazine.Please correct the mistakes, if any.4) some和數(shù)詞連用表示“大約”，any可與比較級連用表示程度?，F(xiàn)將構成方法與讀音規(guī)則列表如下：規(guī)則例詞1一般情況在詞尾加smapmaps, seaseas, girlgirls, daydays2以s, x, ch, sh結尾的名詞后加esclassclasses, boxboxes, watchwatches, dishdishes3以f或fe結尾的詞變f和fe為v再加esleafleaves, thiefthieves, knifeknives, wifewives, halfhalves加schiefchiefs, proofproofs, roofroofs4以輔音字母加y結尾的名詞，變y為i加espartyparties, familyfamilies, storystories, citycities5以元音字母加y結尾的名詞，或專有名詞以y結尾的，加stoytoys, boyboys, daydays, rayrays, HenryHenrys6以輔音字母加o結尾的名詞一般加esNegroNegroes, heroheroes, potatopotatoes, tomatotomatoes不少外來詞加spianopianos, photophotos, autoautos, kilokilos, solosolos兩者皆可zerozeros/zeroes, volcanovolcanoes/ volcanos7以元音字母加o結尾的名詞加sradioradios, bamboobamboos, zoozoos8以th結尾的名詞加struthtruths, mouthmouths, monthmonths, pathpaths,2. 不規(guī)則名詞復數(shù)：英語里有些名詞的復數(shù)形式是不規(guī)則的，現(xiàn)歸納如下：規(guī)則例詞1改變名詞中的元音字母或其他形式manmen, womanwomen, footfeet, goosegeese, mousemice 2單復數(shù)相同sheep, deer, means, works, fish, yuan, jin, 3只有復數(shù)形式trousers, clothes, thanks, goods, glasses, 4一些集體名詞總是用作復數(shù)people, police5部分集體名詞既可以作單數(shù)（整體）也可以作復數(shù)（成員）class, family, crowd, couple, group, government, population, team, public, party6復數(shù)形式表示特別含義customs(海關), times(時代), spirits(情緒), drinks(飲料), sands(沙灘), papers(文件報紙), looks(外表), brains(頭腦智力), greens(青菜)7表示“某國人”加sAmericans, Australians, Germans, Greeks, Swedes, Europeans單復數(shù)同形Swiss, Portuguese, Chinese, Japanese以man或woman結尾的改為men,womenEnglishmen, Frenchwomen8合成名詞將主體名詞變?yōu)閺蛿?shù)sonsinlaw, lookerson, passersby, storytellers, boy friends無主體名詞時將最后一部分變?yōu)閺蛿?shù)grownups, housewives, stopwatches將兩部分變?yōu)閺蛿?shù)women singers, men servantsIII. 名詞的所有格：名詞在句中表示所有關系的語法形式叫做名詞