SectionⅢGrammar—复习动词时态（Ⅰ）语法图解探究发现①Itdoesn'tmakemuchofadifferencewhetherateacherspeaksBritishorAmericanEnglish.②I'vealreadydecidedtojointhetheatregroup.③ManyfactorshaveinfluencedAmericanpronunciationsincethefirstsettlersarrivedfourhundredyearsago.④ALondonerhasmoredifficultyunderstandingaScotsmanfromGlasgowthanunderstandingaNewYorker.⑤Someexpertsbelievethatthetwovarietiesaremovingclosertogether.⑥Sincethe1980s,withsatelliteTVandtheInternet,ithasbeenpossibletolistentoBritishandAmericanEnglishattheflickofaswitch.⑦Thisinternationaldimensionsuggeststhatinthefuture,therearegoingtobemany“Englishes”，notjusttwomainvarieties.⑧UsersofEnglishwillallbeabletounderstandeachother—wherevertheyare.[我的发现](1)①、④句用了一般现在时态。(2)②、③、⑥句用了现在完成时态，表示该动作发生在过去，持续到了现在。(3)⑤句用了现在进行时态，表示现阶段正在进行的动作。(4)⑦、⑧句用了一般将来时态，⑦句表示有征兆、迹象会发生某事，而⑧句表示将要发生的动作或状态。一、一般现在时1．表示现在经常或反复发生的动作或存在的状态。常和often,always,usually,sometimes,everyday,onceaweek等时间状语连用。Ioftenreadbooksinmysparetime.业余时间我经常看书。Healwayssleepswiththewindowopen.他总是开着窗户睡觉。[即时演练1](1)用所给词的适当形式填空(2017·北京高考改编)Peoplehave(have)betteraccesstohealthcarethantheyusedto,andthey'relivinglongerasaresult.(2)翻译句子①这家商店每天9点开门。The_shop_opens_at_nine_every_day.②他经常去看电影。He_often_goes_to_the_cinema.③汤姆一周给他父母打一次电话。Tom_calls_his_parents_once_a_week.2．表示主语的特征、性格、能力等。Maryisgoodatmusic.玛丽擅长音乐。HeknowsalotofEnglish.他英语懂得很多。3．表示客观事实或普遍真理。Columbusprovedthattheearthisround.哥伦布证实了地球是圆的。Timeandtidewaitfornoman.岁月不等人(时不我待)。4．在时间、让步和条件状语从句中，用一般现在时代替一般将来时。Weshallnotbeginthediscussionuntilhearrives.等他来了，我们再开始讨论。You'llmakegreatprogressifyouworkhard!你如果努力学习，就会取得很大进步。[即时演练2](1)用所给词的适当形式填空①I'llfollowhimwhereverhegoes(go)．②Helensaysshewillleavethecompanyifsheis_punished(punish)forhercarelessness.③IwillbeanurseandlookafterpatientswhenIgrow(grow)up.(2)单句改错①(2017·全国卷Ⅱ)Whensummercame,theywillinvitetheirstudentstopickthefreshvegetables！came→comes②MyparentshavepromisedtocometoseemebeforeIwillleaveforAfrica.去掉will③Ifyouwilllookcarefullyyoucanjustseeourhousefromhere.去掉will5．表示按规定、计划或时间表将要发生的事，通常限于表示动作趋向性或“位置转移”的非延续性动词(短语)，如go,come,leave,start,begin,open,close,arrive,takeoff等，其后常跟有表示将来的时间状语。Thetrainleavesat7：25thisevening.火车今晚7：25开。OursummervacationbeginsinearlyJuly.我们的暑假七月初开始。6．小说、故事、文学作品等的情节介绍、评论等。HarryPotterissetinthemodernworld.《哈利·波特》以现代世界为背景。[即时演练3](1)用所给词的适当形式填空AMidsummerNight'sDreamopens(open)attheTheatreRoyalon19thJune,andthentoursthroughoutScotland.(2)翻译句子①汽车将在下午6点钟离开伦敦。The_bus_leaves_London_at_6_o'clock_in_the_afternoon.②飞机将于下午4点起飞。The_plane_takes_off_at_4_pm.二、现在进行时1．现在进行时表示现在或目前一段时间内正在进行的动作。(1)表示现在正在进行或发生的动作。常与now,atpresent,atthismoment等连用。(2)表示现阶段正在进行的动作。常与thesedays,thisweek/month,recently等连用。Alltheclassmatesarereviewingthelessonintheclass...
