外研2019版必修第一册unit3单元语法探究练解析版

1、【新教材】2020学年高一英语新教材必修第一册核心知识夯实全攻略（外研版）Unit3 tenses复习动词时态一：一般现在时.表示经常性或习惯性的动作，常与 often, usually, always, sometimes, never, every day, once a month等时间状语连用。He goes to school at seven o clock every day.他每天七点钟去上学。We like communicating with our friends using WeChat now,现在我们喜欢用微信和朋友们交 流。.表示普遍存在的真理和客观事实。Ligh

2、t travels faster than sound.光比声音传播得快。China lies in the east of Asia.中国位于亚洲的东部。.表示按规定或时刻表将要发生的动作，仅限少数动词如begin, come, go, leave, start, arrive, end, return, take off 等。The plane takes off at 15 ： 05.飞机 15： 05 起飞。The meeting begins at eight.会议八点开始。【温馨提示】在时间状语从句和条件状语从句中，从句中的动词通常用一般现在时代替一般将来时。We 11 let y

3、ou know the good news as soon as you arrive.你一到我们就告诉你这个好消息。If it rains tomorrow, we will stay at home.如果明天下雨，我们就待在家里。二：现在进行时.表示说话时正在进行的动作，常与时间状语now, at the moment等连用。I am writing a letter now.Will you please turn down the radio?我正在写信，请你把收音机的音量调小一点儿，好吗？.表示现阶段正在进行而此刻不一定进行的动作。He is writing a book about

4、 Chinese history these days.这些天他正在写一本关于中国历史的书。.表示按计划、安排将要发生的动作。有此用法的动词：go, come, leave, start, arrive, return 等。Mr.White is leaving for Beijing in a few days.几天后，怀特先生将动身去北京。.表示说话人现在对主语的行为表示赞叹或厌恶等，常与always, constantly, continually 等副词连用。He is always asking such simple questions.他老是问这种简单的问题。He is alwa

5、ys thinking more of others than of himself.他总是为别人考虑得多，为自己考虑得 少。三：一般过去时. 一般过去时表示过去某一时刻或者某一段时间发生的动作或者状态。常与then, at that time, just now, a moment ago, the other day, in the past, at one time, three days ago, last year, yesterday, in 2018等时间状语连用。Tom wanted to help us yesterday, but he was very busy.汤姆昨天

6、想帮助我们，但他太忙了。.表示过去的习惯动作，常与often, always, usually等表示频度的时间状语连用。During his middle school years, he played football nearly every day.他在中学时代几乎天天踢 足球。.有些情况，虽然没有明确表示过去的时间状语，但可根据语境判断出动作发生在过去, 应用过去时态。I didn t know you were in Paris.我事先不知道你在巴黎。Your phone number again, please. I didn t quite catch it.请再说一遍你的 号码

7、。我没有听 清楚。四：一般将来时一般将来时由“shall/win +动词原形”构成，表示将要发生的动作或存在的状态，常与 tomorrow, next week, in the future, in a few days 等时间状语连用。will +动词原形还可以表示说话时临时做出的决定。As you go through this book, you will find that each of the millions of people who lived through World War II had a different experience.当你浏览这本书时，你将会发现经历过第

8、二次世界大战的数百万人中的每一个都有着不同 的经历。一Dr. Jackson is not in his office at the moment.Jackson 博士现在不在他的办公室里。All right. I will call him later.好的。我晚些时候给他打 。【温馨提示】将来时的其他表达法：(l)be going to表示按计划、打算要做某事，此外，还可以表示根据某些迹象判断将要发生 的事情。I am going to meet Mr. Smith at the airport at 8： 30 tonight.今晚八点半我将在机场接史密斯先生。Look at the b

9、lack clouds! It is going to rain.瞧那些乌云！要下雨了。be about to do表示即将发生的将来动作，该结构不与表示具体的将来时间状语连用，多 与when连用。I was about to go to have dinner when he called me up.我正要吃饭，这时他给我打 了。be to do表示按照约定、职责、义务或要求等即将发生的动作。We are to meet at the school gate at six in the morning.我们定于早晨6点在学校门口碰头。五：现在完成时.表示过去发生的动作对现在造成的影响或结果

10、，着眼于现在。常与already, just(刚刚),yet, never, before, lately, recently, in the last (past) few years, up to now, till now, so far 等连用。 (北京卷)In the last few years, China has made great achievements in environmental protection.在过去几年里，中国在环境保护方面取得了巨大成就。.表示从过去某时开始而延续至今的动作或状态，常与for+一段时间，since+时间点 等表示一段时间的状语连用。He

11、 has worked here for over twenty years.他在这里工作已有 20 多年了。He has lived in London since 2018.自从2018年以来他就住在伦敦。.在时间或条件状语从句中，现在完成时可代替将来。We won t start the work until all the preparations have been made.直到所有的准备工作都做完了，我们才开始工作。r 11 go to the party as soon as I have finished my homework.我一完成作业就去参加聚会。.在“This/It

12、 is the first/second.time + that从句”句式中，that从句一般用现在完成时。This is the first time that I have visited the Great Wall.这是我第一次参观长城。.在“This/It is the+序数词/形容词最高级+名词+that定语从句”结构中，定语从句中 用现在完成时。This is the most interesting film that he has watched.这是他看过的最有趣的电影。跟踪习题I单句语法填空I have(hear) nothing from him up to now.H

13、e felt surprised to meet me in Beijing, for he didn t know I(live) there.After Jack had sent some emails, he(start) working on his project.It is the third time that he(win) a prize in the field of music.Tom is a great talker. It is high time he(do) something instead of talking.Although he has retire

14、d, every now and then he often recalls his teaching life. After all he(work) as a teacher for 35 years.A woman who(sit) with her son made eye contact with me and asked me to come to her.John and I(be) friends for eight years. We first(get) to know each other at a Christmas party. But we had seen(see

15、) each other a couple of times before that.I(read) half of the English novel, and f 11 try to finish it at the weekend.The water(feel) cool when I jumped into the pool for morning exercise.He(look) for a house when he saw an advertisement in a newspaper one day.After everything(do) and just after he

16、 left the barbers, he saw a manin the street with long dirty hair.As we all know, waste(become) a common scene on campus recently.Pollution is a serious problem, which (call) for our great concern. Close the door of fear behind you, and you(see) the door of faith open before you.Christmas is the mos

17、t important festival in the western world. It(fall) on December 25th.【答案】heardwas livingstartedhas wondidhas workedwas sittinghave been/gothave readfeltwas lookingwas donehas becomecallswill seefallsII语法与写作他总是想着怎样才能为人们多做些事情。He how he could do more for the people.除非我亲眼看到，否那么我不会相信你的。I you unless I hav

18、e seen it with my own eyes.我小时候，妈妈很少听到我在公共场合唱歌。My mother in public when I was young.我已经屡次劝说我父亲戒烟。I many times.Mr Green Hawaii a few hours later.格林先生几个小时后就要去夏威夷ToBy the end of yesterday, we had received over 1,000 letters from all overthe world.到昨天为止，我们已经收到了来自世界各地的1 000多封信。We tomorrow,明天我们就会知道结果。Mr Smithjust now.史密斯先生刚才来找你。At tha