九年级新目标英语Unit3知识点[上学期].doc

九年级英语Unit31语态英语有两种语态主动语态和补动语态主动语态表示是动作的执行者被动语态表示主语是动作的承受者Catseatfish主动语态猫吃鱼Fishiseatenbycats被动语态鱼被猫吃被动语态的构成由助动词be及物动词的过去分词构成助动词be有人称数和时态的变化其变化规则与be作为连系动词时完全一样时态被动语态结构例句一般现在时amare过去分词isEnglishisspokeninmanycountries一般过去时was过去分词were过去分词Thisbridgewasbuiltin1989情态动词canshouldmaybe过去分词mustTheworkmustbedonerightnow被动语态的用法当我们不知道谁是动作的执行者或者没有必要指出谁是动作的执行者或者只需强调动作的承受者时要用被动语态2allowsbtodosth允许某人做某事主动语态如MotherallowsmetowatchTVeverynight妈妈允许我每晚看电视beallowedtodosth被允许做某事被动语态如LiLyisallowedtogotoQinzhou莉莉被允许去钦州3gettheirearspierced穿耳洞让使别人做某事getsthdone过去分词havesthdone如IgetmycarmadeIhavemycarmade我让别人修好我的车4enough足够形容词enough如beautifulenough足够漂亮enough名词如enoughfood足够食物enoughto足够去做如IhaveenoughmoneytogotoBeijing我有足够的钱去北京Sheisoldenoughtogotoschool她够大去读书了5stopdoingsth停止做某事Pleasestopspeaking请停止说话stoptodosth停止下来去做某事Pleasestoptospeak请停下来说话6看起来好像sbseemtodosthitseemsthat从句HeseemstofeelverysadItseemsthathefeelsverysad他看起来好像很伤心7系动词不能独立作谓语要和表语一起构成谓语常用的连系动词有lookfeelbebecomegetturnsmelltastestay保持kept等连系动词除be和become等少数词可接名词作表语外一般都是接形容词如TheyareveryhappyHebecameadoctortwoyearsagoShefeltverytired8倒装句由so助动词bedowillhave情态动词主语意为也是一样SheisastudentSoamI她是一个学生我也是ShewenttoschooljustnowSodidI她刚才去学校了我也是ShehasfinishedtheworkSohaveI她已经完成了工作我也完成了ShewillgotoschoolSowillhe她将去学校他也是9yet仍然还常用在否定句或疑问句当中10stayup熬夜如Ioftenstayupuntil1200pm我经常熬夜到12点11cleanup打扫整理如Ihavecleanedupthebedroom我已经打扫完了卧室12程度副词always总是usually经常sometimes有时never从不如Iamalwaysusuallysometimesneverlateforschool我总是经常有时从不上学迟到13曾经做某事DoyouevergettoschoollateYesIdoNoIdontHaveyouevergottoschoollateYesIhaveNoIhavent14goshopping去购物gofishing去钓鱼goswimming去游泳goboating去划船gohiking去登山gotrekking去徒步15bestrictwithsb对某人严厉如Motherisstrictwithherson妈妈对她的儿子很严厉16takethetest参加考试passthetest通过考试failatest考试失败17theotherday前几天18agree同意反义词disagree不同意动词agreement同意反义词disagreement不同意名词18keepsbsth形容词使某人某物保持如Weshouldkeepourcityclean我们应该保持我们的城市干净19bothand动词复数形式如BothJimandLiMingplaybastketball20learnsthfromsb向谁学习什么如JimlearntEnglishfromhisEnglishteacher吉姆向他的英语老师学习英语21haveanopportunitytodosth有机会做某事haveachanceofdoingsth有机会做某事如IhaveanopportunitytogotoBeijingIhaveachanceofgoingtoBeijing22atpresent目前23atleast最少atmost最多24花费takecostspendpaysthtakesbtimetodosthIttookme10daystoreadthebooksthcostsbThebookcostme100yuansbspendonsthShespent10daysonthisbooksbspenddoingsthShespent10daysreadingthisbooksbpayforsthShepaid10yuanforthisbook25have时间段off放假休息如have2daysoff26replyto答复某人如ShereplayedtoMrGreen27agreewithsth同意某事如Iagreewiththatideaagreetosb同意某人的意见如IagreetoLiLei28getinthewayof碍事妨碍如Hersociallifegotinthewayofherstudies她的社会生活妨碍了她的学习29successnsucceedvsuccessfuladjsuccessfullyadv30thinkabout与thinkof的区别当两者译为认为想起记着时两者可互用Ioftenthinkaboutofthatday我经常想起那天thinkabout还有考虑之意thinkof想到想出时两者不能互用Atlasthethoughtofagoodidea最后他想出了一个好主意WearethinkingaboutgoingQinzhou我们正在考虑去钦州31对热衷对兴趣beseriousaboutdoing如Sheisseriousaboutdancing她对跳舞热衷beseriousaboutsth如Sheisseriousabouthim她对他感兴趣32practicedoing练习做某事SheoftenpracticespeakingEnglish33careaboutsb关心某人如Motheroftencareaboutherson34also也用于句中either也用于否定句且用于句末too也用于肯定句且用于句末Iamalsoastudent我也是一个学生Iamastudenttoo我也是一个学生Iamnotastudenteither我也不是一个学生