【文章內(nèi)容簡(jiǎn)介】 0 。Dave has to be in bed early every 。 late for 與be late for 意思相近“遲到”Don39。t arrive（be）late for 。I arrived（was）late for the meeting 。 talking!“禁止交談！” no后面加上名詞或動(dòng)名詞（doing）也表示不要做某事。與don39。t +do的用法相似。No wet umbrellas!/ Don39。t put wet umbrellas here!禁止放濕雨傘！No food!Don39。t eat food here!禁止吃食物！No smoking!Don39。t smoke here!禁止吸煙！7．語法（祈使句）祈使句是用來表示請(qǐng)求、命令、叮囑、號(hào)召或者勸告等的句子，這類句子的主語常是第二人稱you，也就是聽話者，因而you常省去了。祈使句的開頭是動(dòng)詞原形。如：Look out!小心！Wait here for me!在這等我！Be sure to e here on time!務(wù)必準(zhǔn)時(shí)來到這里！祈使句的否定形式多以do not（?？s寫成don39。t）開頭，再加上動(dòng)詞原形。Don39。t arrive late for 。Don39。t fight!別打架！Don39。t look out of the 。第四篇：新版八年級(jí)英語下冊(cè)第四單元知識(shí)點(diǎn)歸納新版八年級(jí)英語下冊(cè)第四單元知識(shí)點(diǎn)歸納Unit 4 Why don’t you talk to your parents?Why don’t you talk to your parents? 你為什么不和你打父母談?wù)勀兀?【解析】Why don39。t you do sth ?= Why not do sth? 為什么不......呢？ 【拓展】用于提建議的句型有：(1)What about doing sth ?=How about doing sth? ….怎么樣？(2)Why don’t you do sth?= Why not do sth? 為什么不呢？(3)Let’s do 。(4)Shall we/I do sth?我們做…好嗎？(5)had better do/not do sth 最好做/不做某事(6)Will/Would you please do sth 請(qǐng)你做…好嗎？(7)Would you like to do sth? 你想去做某事嗎？(8)Would you mind doing sth？你介意做某事嗎？ 【回答】(1).同意對(duì)方的建議時(shí)，一般用：◆ Good idea./ That’s good ◆OK/ All right./ Great 好/ 行/太好了◆ Yes, please./ I’d love to 是的/ 我愿意◆ I agree with you 我同意你的看法◆ No problem 沒問題◆Sure/ Of course/ Certainly 當(dāng)然可以◆Yes, I think so 對(duì)，我也這樣想(2).對(duì)對(duì)方的幫助或要求表示委婉謝絕時(shí)，一般用：◆ I don’t think so 我認(rèn)為不是這樣◆Sorry, I can’t 對(duì)不起，我不能◆I’d love to, but…◆ I’m afraid…我愿意，但恐怕……I have to study too much so I don’t get enough ，因此我睡眠不足。【解析1】(1)too many + 復(fù)數(shù)名詞 許多 too many people(2)too much +不可數(shù)名詞 許多 too much homework(3)much too +形容詞 太… much too cold 【解析2】so (表示因果關(guān)系，后面跟表示結(jié)果的句子，不與because同時(shí)使用）My parents don’t allow me to hang out with my 。【解析】allow do sth 允許某人做某事 【拓展】allow v 允許allow doing sth 允許做某事 They don’t allow do sth 允許某人做某事My mother allows me to watch allowed to do sth 被允許做某事①We don’t allow ___________(smoke)in the reading room.②Our teacher allows us ____________(go)out for a walk.③The boy should be allowed____(play)after supper.④We won’t allow ________in the you are allowed ______in the rest room.(smoke)⑤Teenagers should ___________(allow)to choose their own clothes.【拓展】allow與let的辨析：allow指―允許‖，表示―默許，聽任，不加阻止‖，allow sb to do sth允許某人做某事。Let指―讓‖，let sb do sth讓某人做某事，語意較弱，多用于口語中，let不能用于被動(dòng)語態(tài)。’s wrong? 怎么啦？【解析】What’s wrong(with sb./ sth)（某人/物）怎么了？I’m really tried because I studied until midnight last ，因?yàn)槲易蛱焱砩弦恢睂W(xué)習(xí)到半夜?！窘馕觥縰ntil 直到......時(shí)Why don’t you go to sleep earlier this evening?今天晚上你為什么不早點(diǎn)睡覺呢？ 【解析】go to sleep 去睡覺(強(qiáng)調(diào)―入睡，睡著‖這一動(dòng)作） look sad, ，你看起來很傷心?！窘馕觥縧ook 看起來（系動(dòng)詞，后跟形容詞作賓語）【【拓展】：系動(dòng)詞：一是：（be）am /is /are be quiet=keep quiet 保持安靜二保持：stay/keep（表示持續(xù)狀態(tài)）stay healthy=keep healthy 保持健康 三變化：bee/get/turn（表示狀態(tài)變化）五起來：sound/look/smell/taste/feel（表示感覺）()Jack usually gets ______ when he speaks in ()Tom’s father looks very he is very You ____ call him 給他打電話?！窘馕觥縞all up(v + adv)call on 拜訪；號(hào)召 I call up my parents every , I found my sister looking through my things ，昨天我發(fā)現(xiàn)我妹妹翻了我的東西。【解析1】find sth found Li Dong reading a storybook in the ：hear，watch, see, feel 【解析2】look through 瀏覽 【拓展】與look相關(guān)的短語：look for look after=take care of look like look the same look over look through look out look up look around look forward to , but I’m still angry with ，但是我仍然很生她的氣。【解析】be angry with 【拓展】angry → angrily (1)be angry with sb.=be mad at 【with后接人】(2)be angry at/about sth對(duì)某事感到生氣 【at后接事】(3)be angry to do sth 做某事感到生氣【記】 My father was very __________(對(duì)……生氣)his hit the puter _______(angry)()— Why are you unhappy, Kate? — I didn’t finish my homework ’m afraid Miss Gao will be ___ with to of()I was very angry ____ myself ___ making such as a stupid 。at 。for 。with 。at she’s wrong, It’s not a big ，但也不是什么大錯(cuò)?！窘馕?】although= though 盡管 , 用來引導(dǎo)讓步狀語從句?！咀ⅰ縯hough / although 不能與but連用 【拓展】although/however辨析⑴although conj，―雖然；即使；縱然‖，引導(dǎo)讓步狀語從句時(shí)放在主句前后都可。Although he is very old, yet he is quite ，但身體還很健壯。⑵ however adv，在句中作插入語，起一個(gè)連詞的作用，一般用逗號(hào)與句子分開，可以放在句首或句中，意為―然而，盡管如此‖。It’s raining hard, However, I think we should go 。盡管如此，我認(rèn)為我們還應(yīng)該出去?！窘馕?】It’s not a big ；不是什么大事（常用于口語中）You left your homework at ?！窘馕觥縧eave v 遺忘，留下 leave leave oneself 把某人單獨(dú)留下 things work ?！窘馕?】hope v 希望hope to do sth I hope to visit + that 從句（表示希望）I hope that you’ll be better soon wish v 希望 wish to do sth I wish to visit do sth 希望某人做某事 I wish you to +that 從句 表示愿望，從句用虛擬語氣 I wish I were you.【解析2】work out 解決；成功地發(fā)展，后跟fine,well, badly等詞，表明產(chǎn)生的結(jié)果如何。 problem is I can’t get on with my ?！窘馕觥縢et on with ；和某人關(guān)系良好 =get along with get on well/ badly with 相處的好/壞 they argue, it’s like a big, black cloud hanging over our ，就像有一大團(tuán)烏云籠罩在我們家?！窘馕?】argue 爭(zhēng)吵→argument n 爭(zhēng)論 have an argument with argue with argue with sth 為某事與某人爭(zhēng)吵 argue about sth 爭(zhēng)論某事argue against 爭(zhēng)辯；反對(duì) He argued against the plan 【解析2】 hang over 掛在......之上； 懸浮在......之上 hang out 閑逛；常去某處 He likes reading and he often hangs out in the on to 緊緊抓住 You’d better hang on to me in the up 掛電話；懸掛 After she finished her conversation , my elder brother is not very nice to me.【解析】elder His elder brother is 用來表示兄弟姐妹及子女之間的長(zhǎng)幼關(guān)系，常用作定語older 泛指新舊、老幼或年齡的大小關(guān)系，可以用作表語，是old的比較級(jí)形式?！居洝?My ______brother is 7 years older than my younger sister.【解析2】be nice to be friendly to good to always refuses to let me watch my favorite TV ?！窘馕觥縭efuse =say no to v拒絕 refuse to do sth拒絕去做某事 ①The boy refused __________(go)to see his father with us.()②He refused when I asked him for yes no hello he watches whatever he wants until late at ，他卻想看什么酒看什么，一直到深夜?！窘馕?】 instead 代替，反而，替(1)instead 副詞，代替，常放在句首或句尾,表示前面的事情沒做，而做了后面的事情。Lee was ill so I went ，所以我去了。(2)instead of +n/doing 代替，而不是，放在句中instead of 為介詞短語，后面一般接名詞、代詞、介詞短語或動(dòng)名詞形式。She wrote to him instead of calling him