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想学英语

来源:学生作业帮 编辑:作业帮 分类:英语作业 时间:2024/07/08 09:13:26
老师您好,我想学好英语时态部分,该怎么抓重点
解题思路: 如下
解题过程:
动词的时态 动词的时态有很多。初中阶段主要掌握八种:一般现在时、一般过去时、现在进行时、过去进行时、一般将来时、 现在完成时、过去将来时、过去完成时。 1.一般现在时 1)一般现在时态的构成:主语是I, we, you, they和名词复数时作谓语的行为动词用原形。主语是he, she , it和名词单数时,作谓语的行为动词的词尾变化如下: 一般情况 +s 以s, x, ch, sh 或 o结尾 +es 以辅音+y结尾 去y变i+es 2)一般现在时态的肯定句、否定句和疑问句形式(以be和like为例): 主 语 肯 定 式 否 定 式 疑 问 式 第一、二人称和第三人称复数以及名词复数 I am a student. We/You/ They are students. He/ She is a student. I / We/ You/ They/ like music. Many people like music. I am not a student. We/You/ They are not students. He/ She is not a student. I / We/ You/ They/ don’t like music. Many people don’t like music. Are you a student. Are you/ they students? Is he/ she a student? Do you/ they like music? Do many people like music? 3)一般现在时态的用法: 现阶段经常性,习惯性的动作 。例如: I get up at six every morning. He plays tennis once a week. 现在的状态 例如: My mother is a teacher. She teaches English in a school. 客观真理 例如: The earth goes around the sun. 4)常用于一般现在时态的时间状语: often usually sometimes always every day never in the morning 等。 例题解析:举一反三,学的更轻松! 1. --- May I help you, sir? --- Yes, I bought the TV the day before yesterday, but it ______. A. didn’t work B. doesn’t work C. won’t work D. can’t work 解析:电视虽然是前天买的, 但坏了是现在的状态, 应该用一般现在时态。选B. 2.______ the bus until it ______.. A. Get off, stops B. Get off, will stop C. Don’t get off, stops D. Don’t get off, will stop 解析:这是一个以until引导的时间状语从句,主句是祈使句,因此从句要用一般现在时表示将要发生的动作。根据句意此题应用not …until(直到……才)句型。应选C。 3.The 70-year-old man ______ exercises in the morning. A. takes B. are taking C. took D. will take 解析:“这个70岁的老人早晨锻炼。”这里锻炼是一个经常性、习惯性的动作。因此,应选A. 2. 现在进行时 1)现在进行时的构成:Am/is/ are+ v-ing是现在进行时的构成形式 v-ing现在分词的构成: 一般情况 +ing 以不发音字母e结尾的单词。去e,加ing +ing 以重读闭音节结尾的单词,末尾只有一个辅音字母时. 双写词尾字母+ing 2) 现在进行时的肯定肯定句、否定句、疑问句形式: 主 语 肯 定 式 否 定 式 疑 问 式 第一、二人称和第三人称复数以及名词复数 I am driving. He/She/It is working. We/You/They are doing something. I am not driving. He/She/It is not working. We/You/They are not doing anything. Are you driving? Is he/she/it working? Are you/they doing something? 3)现在进行时的用法: 1. 说话时正在进行或发生的动作(动作是在说话时正在进行)。例如: She is having a bath now. 2. 现阶段正在进行或发生的动作(但是动作并不是必须在说话时正在进行)。例如: You are working hard today. Kate wants to work in Italy, so she is learning Italian. The population of the world is growing very fast. 频度副词always, forever等词连用时, 表示某种强烈的感情。如: He is always trying out new ideas. (表示欣赏,表扬) 表示按计划即将发生的动作(仅限于go, come, arrive, leave, start, fly, begin, stay 等动词)。如: The party is beginning at 8:00 o’clock. 6) 常用于现在进行时态的时间状语:at the moment , now 等。 例题解析:举一反三,学的更轻松! 1.I don’t think that it’s true. She’s always ______ lies. A. tell B. tells C. telling D. told 解析:always在这里应现在进行时连用, 带有感情色彩, 表示讨厌。选C. 2. How ______ you ______ with the new job? A. do, do B. do, get along C. are, doing D. are, getting on 解析:表示现阶段正在发生的动作,用现在进行时。选D. 3.--- Are these socks yours? --- No. Mine ______ outside on the clothes line. A. are hanging B. have hung C. hang D. hung 解析:hang意为悬挂, hung意为上吊、绞死,先排除答案B、D。根据前后句意可判断出现在的状态,应用现在进行时。应选 A. 3.一般将来时 1)一般将来时的构成: 1. 助动词will(shall)+动词原形 2. am / is / are +going to +动词原形 2)一般将来时的用法: 1.将要发生的动作。例如: I will leave for Beijing tomorrow. 2.将要存在的状态。例如: This time next year I will be in Japan. Where will you be? 3.打算要做的事。 例如: Are you going to watch the film on television tonight? 3) 常用于一般将来时的时间状语: tomorrow next week in 2014 等。 例题解析:举一反三,学的更轻松! 1. I______ for Hong Kong on Saturday. Will you go to see me off at the airport? A. am leaving B. am left C. am going to leaving D. left 解析:趋向动词leave 可用现在进行时表将来。选A。 2.I______ to see grandma and help her with some housework every week. A. came B. am going come C. come D. will come 解析:此题虽然有every week, 但句意中表达的事将要去做的经常性动作。应该用一般将来时。因此选D。 4.一般过去时 1)一般过去时的构成: 用动词的过去式。作谓语的行为动词的词尾变化如下: 一般情况 +ed 以e字母结尾的辅音 +d 以辅音字母+y结尾 去y变i+ed 重读闭音节结尾的单词,末尾只有一个辅音字母 双写词尾字母+ed 2)一般过去时态的肯定句、否定句和疑问句形式(以be和like为例): 主 语 肯 定 式 否 定 式 疑 问 式 第一、二人称和第三人称复数以及名词复数 I was a student. We/You/ They were students. He/ She was a student. I / We/ You/ They/ liked music. Many people liked music. I was not a student. We/You/ They were not students. He/ She was not a student. I / We/ You/ They/ didn’t like music. Many people didn’t like music. Were you a student. Were you/ they students? Was he/ she a student? Did you/ they like music? Did many people like music? 3)一般过去时的用法: 1. 过去发生的动作。例如: The police stopped me on my way home last night. 2. 过去存在的状态。例如: They weren't able to come because they were so busy. 3. 常用于一般过去时的时间状语: yesterday,three months ago,last year,in 1979,often,always等。 例题解析:举一反三,学的更轻松! 1. r. Mott is out. But he ______ here a few minutes ago. A. was B. is C. will be D. would be 解析:时分钟前发生的动作, 应该用一般过去时。 应选 A, 2.---Hi, Tom. ---Hello, Fancy. I ______ you were here. A.don’t know B.won’t think C. think D. didn’t know 解析:虽然句中没有明确的时间状语, 但是可以通过上下文语境判断出, 这句话指的是我这段时间并不知道, 你前一阵子在这儿。 所以应选A。 5.现在完成时 1) 现在完成时的构成:have / has + 动词的过去分词 2)现在完成时态的肯定句、否定句和疑问句形式(以be和see为例): 主 语 肯 定 式 否 定 式 疑 问 式 第一、二人称和第三人称复数以及名词复数 I /We/You/ They have been here before. He/ She has been here before. .I / We/ You/ They/ Many people have seen the film. I /We/You/ They haven’t been here before. He/ She hasn’t been here before . .I / We/ You/ They/ Many people haven’t seen the film. Have you/ they been here before? Has he/ she been here before? Have you/ they/ many people seen the film? 在完成时的用法: 1、表示过去发生的动作对现在造成的影响或结果.常与already, just, ever, never, before等词连用. 如: She has never read this novel.他从未读过这本小说.(他对小说的内容不了解) 2、表示 “过去的动作”一直延续到现在并有可能继续延续下去. 常与for (后跟段时间)或since (后跟点时间)等连用.如: I have been a member of the Party for 10 years. I have been a member of the Party since 10 years ago. 注:在有for 和since 引导时间状语的句子中不能用短暂性动词,应用与之相应的表示状态的词。如: He has died for 3 years.(F) He has been dead for 3 years.(T) 注意:①现在完成时不能和表示明确的过去时间连用。如:in 1998, last morning等 ②have/has been to 表示“去过”(去了又回来了) have/has gone to 表示“去过”(去了没回来了) 如:Where has she gone?(句中所指的人不在) Where has she been?(句中作指的人在) 例题解析:举一反三,学的更轻松! --How long ______ he ______ a fever? --- Ever since last night. A. have, got B. have , had C. have, caught D. did, have 解析:此句表示从昨晚起持续到现在的状态,应用现在完成时,去掉答案D。因为是段时间, 所以不能用短暂行动词,get和catch 都是短暂行动词。 因此选B. My bowl is empty. Who ______ all my soup? A. drinks B. had drunk C. has drunk D. drank 解析:碗是空的了,这里强调的是所发生的动作造成的结果。 “谁把我的汤都喝了。应选C. 3. I ______ you for a long time. Where ______ you ______? A. Didn’t seen; did, go B. didn’t see; have, gone C. haven’t seen; have, been D. haven’t seen; have gone 解析:for+段时间一般预先在完成时连用。“你去哪儿了? ”(在这段时间你不在)应选C。 6、过去进行时 1)过去进行时的构成: was / were +v-ing 2) 过去进行时的用法: 过去某一阶段或某一时刻正在进行的动作。 例如: This time last year I was living in Brazil. What were you doing at 10 o'clock last night? 3)常用于过去进行时的时间状语: at four yesterday afternoon,then,at that time/moment 等。 7过去将来时 一、构成方法 过去将来时由“would+动词原形”构成。 二、基本用法 主要表示从过去某一时间来看将要发生的事情: They said it would be fine. 听说天气会很好。 I knew you would agree. 我当时就知道你会同意的。 三、过去将来时间的表示方法 除“would+动词原形”外,过去将来时还有以下常见表达方式: 1. 用was (were) going to表示。表示过去某时准备做某事或即将发生某事: I was going to leave when he came in. 他进来时我正要离开。 2. 用was (were) about+不定式表示。表示在过去看来正要做某事: I was just about to go to bed when he came to see me. 我正要睡觉,他来看我了。 例题解析:举一反三,学的更轻松! Daddy promised me he ______ me a computer A. was bought B. had bought C bought D. would buy 解析:“爸爸答应我给我买一台电脑”。宾语从句中的动作是以过去为起点将要发生的动作,应用过去将来时。 选D。 They said they ______ do some sports if it was fine. A. were going to B. went C. would going D. were going 解析:“他们说如果天气好的话他们打算去运动。”去做运动发生在说话之后,所以应选用过去将来时,答案B不合适,“打算作某事”为“be going to do ”.would 后面应跟动词原形,应选A. 8、过去完成时态 1)过去完成时态的构成: 肯定式:had + 动词的过去分词 否定式:hadn’t + 动词的过去分词 疑问式:Had … + 动词的过去分词 简略回答: Yes, 主 + had. No, 主 + hadn’t 过去完成时的用法: 1、表示在过去某一时间或动作之前已经发生或完成的动作。 他表示的时间是“过去 的过去 ”常与by last year, by the time of yesterday,等连用。如: She said she had seen the film 4 times. When Mr Li got to the classroom, all the students had begun reading. By the time they arrived, the bus had left. 2、表示 从过去某一时间开始一直延续到过去另一时间的动作或状态。常与for (后跟段时间)或since (后跟点时间)等连用.如: She had worked in this school since it opened 25 years ago. 例题解析:举一反三,学的更轻松! 1. He ______ in Shanghai University for four years before he ______ Beijing. A. studied, had gone B. had studied, went C. has studied, goes D. had studied, had gone 解析:“他去北京之前在上大学学习了4年 ”。在上海学习的动作发生在去北京之前,因此第一个空应用过去完成时。此题选B。 2. Mary said it was at least five years since he ______ a good drink. A. enjoyed B. was enjoying C. had enjoyed D. would enjoy 解析:It was + 时间段+since 引导的从句中用过去完成时。应选C。
最终答案:略