高二英语知识点下册梳理

高二英语知识点下册梳理高二英语必修一知识点1.一般现在时：一般现在时大多用动词原形来表示。Be\have在人称和数上应按自己的变化规则与主语保持一致。其他动词若其主语是第三人称单数，则应按动词第三人称单数的变化规律变化。(1)表示主语现在所处的状态及所具备的特征、性格、能力等。Eg:Theyarebothtiredandhungry.(2)表示习惯性的，反复出现的动作与状态。常用时间状语：alwaysoftensometimesnowandtheneveryday(3)表示客观事实或普遍真理。Eg:Theearthmovesaroundthesun.(4)在时间状语从句和条件状语从句表示将来的动作。Eg:Ifitdoesn’traintomorrow,wewillgoclimbing.2.现在进行时：(1)表示说话时正在进行的动作;(4)表示反复发生的动作。3.以-ing和-ed结尾的形容词：以-ed结尾的形容词用来描述人的精神状态或人对事物的态度或感受;以-ing结尾的形容词有“令人.的”意思，常用来指物。人教版高二英语知识点归纳Insteadofspendingyourvacationonabus,youmaywanttotryhiking.Instead和instead0f的用法Say"Hi"/"Hello"/"Thanks"tosb.(forme)问候的句型Isanybodyseeingyouoff?进行时表将来Shestruggledandstruggled,andcouldnotgetonherfeet.(=keepstruggling)Youshouldnotgoraftingunlessyouknow...unless引导条件状语从句，相当于ifnotBystayingat...,touristscanhelpthevillagersmakemoneysothattheycantakecareofthefiverandthebirds.目的状语从句Shewassosurprisedthatshecouldn'tmove.结果状语从句Treeaftertreewentdown,cutdownbywater.过去分词作状语Thenextmoment,thefirstwavesweptherdown,swallowingthegarden.现在分词作状语However,beforeshecouldthinktwice,thewaterwasuponher.Itdidn'ttakelongbeforethebuildingwasdestroyed.before的用法高二英语下册知识点归纳Ⅰ.Hotwordsandhotphrases常用词与常用词组MedicalstudiesshowthatAIDSviruscannotbetransmittedviathefollowingroutes：cups，glasses，toiletseats，swimmingpools，mosquitoes，otherinsectsorblooddonation.(P.49)AIDSisadiseasethatbreaksdownthebody'simmunesystemandleavesapersondefencelessagainstinfectionsandillness.(P.51)PeoplegetAIDSafterhavingbeeninfectedwiththeHIVvirus.(P.51)PeopletransmitHIVbyhavingunprotectedsex，byreceivinginfectedbloodtransfusionsor，asinXiaohua'scase，throughbirth.(P.51)Xiaohua'smothercontractedtheHIVviruswhenshewas28，andshediedofAIDSonlythreeyearsafterXiaohuawasborn.(P.51)ThediseaseisspreadingfasterinAfricaandpartsofAsia，mainlybecauseofalackofproperhealthcare，preventionandeducation.(P.51)Thedrugsthatareavailablearemuchtooexpensiveanddifficulttofind.(P.51)8.butshedoesnotletthatknowledgediscourageher.(P.51)ShealsogoestovisitotherAIDSpatientsinhospitalsacrossthecountrytosupportthemandcheerthemup.(P.51)ThediseaseisnottheonlythingthatAIDSpatientshavetosufferfrom.(P.52)researchandeducation.(P.52)XiaohuahaslearnttolivewithHIVandthefactshewilleventuallygetAIDS.(P.52)13.Twoyearsago，DrRichardshadaskedmeagreatmanyquestionsandhadtakensamplesofmyblood.(P.55)14.MumheldmyhandandIsawthatshewasweeping.(P.55)15.Cancerisadiseasethatbeginsincells.(P.55)Inmybody，theproductionofcellsisdisrupted.(P.55)Doctorsdoknowthatcancerisnot