英语新系列一般现在时.doc

一般现在时1. 基本结构肯定形式： be动词：am/ is/ are 行为动词：动词原形、第三人称单数。否定形式： am /is / are+ not dont /doesnt +动词原形+一般疑问句：把be动词放于句首 Do/Does + 动词原形+?特殊疑问句：特殊疑问词+一般疑问句2.一般现在时的第三人称单数的构成：动词特征变化例词一般动词词尾加-s look- looks find- finds 以s, x, ch, sh或o结尾词尾加-es watch- watches, push- pushes 以“辅音字母+y”结尾变y为i再加-es fly- flies, apply- applies 3.基本用法：表示经常性或习惯性的动作，常与表示频度的时间状语连用。时间状语有：always, usually, often, sometimes, every week (day, year, month), once a week, on Sundays等。例：I leave home for school at 7 every morning. 表示客观真理，客观存在或科学事实，以及格言或名言警句中。如：The earth moves around the sun.Shanghai lies in the east of China.Failure is the mother of success. 失败乃成功之母。表示爱好、能力、性格、个性。I like Chinese food.I dont want so much.Ann Wang writes good English but does not speak well.4. 特殊用法一般现在时代替将来时1. 时间状语从句、条件状语从句用一般现在时代替将来时。如：when, before, after, till, once, as soon as, if, in case (that), unless,等。He is going to visit her aunt the day he arrives in Beijing. 他一到北京，就去看他姨妈。I will call you as soon as I go back home. 我一到家就给你电话。注：1. 可以代替as soon as表示一就的词语：the moment、the minute、immediately、instantly 2. 主句部分除了用一般将来时，还可以用祈使句以及情态动词例：If you have any problem, please contact me. （主祈从现）If you have any problem, you can contact me.（主情从现） 3. notuntil用法总结：A. sb didnt do sth until sb did sth. I didnt go home until I finished my homework yesterday. 我昨天直到完成作业才回家B. sb wont do sth until sb do/does sth.（主将从现）I wont leave until you come tomorrow. 我明天会直到你过来才会离开。练习：翻译下面的句子1. 昨天修理完桌椅后，我们才回家。2. 有时候，直到珍贵的时刻成为了回忆，你才会真正认识到它的价值所在。2.用于表示较固定的，按计划、规定将要发生的动作，但只限于begin, come, go, leave, arrive, stop, return, close, open, take, start, take place 等少数动作。例：The train leaves Beijing at six and arrives at Jinan at nine.一般现在时代替进行时句型：Here comes ; There goes例：Look, here comes Mr. Li.练一练There goes the bell. 1.观察下列例句，将序号填入对应用法之后的空白栏中 All the living things on the earth depend on the sun.The plane takes off at 5:00 a.m. Unless it rains tomorrow, the sports meet will take place.Our teacher told us the earth goes round the sun. He sometimes stay up till midnight to catch up with others.We always care for each other and help each other.She is a teacher. -Do you sing? A little.一般用法现在习惯或经常反复发生的动作或存在的状态，常与usually, always, seldom, often, frequently, every day等时间状语连用主语现在的特征，性格和状态客观规律，正确事实或科学真理，格言以及其他不受时间限制的客观存在特殊用法“主将从现”：主要用在条件从句（if和unless等）和时间状语从句（when, as soon as, before, after, until和by the time等）中，表示将来的动作。（注意：从句也可视情况用现在完成时，主句可视语境用将来任意时态）“时刻表”：安排，或计划要做的动作（有时间状语）限于begin, come, leave, go, arrive, open, start, stop, close, return 等一类短暂性动词。2. 翻译练习他并不总是在6点钟下班，有时他会工作到7点。机会总是青睐有准备的人。_如果她来看我，我会很高兴。_他经常把他的业余时间花在阅读上。_ 实践出真知。_ 答案：练习：翻译下面的句子1. 昨天修理完桌椅后，我们才回家。答案：We didnt go home until we finished repairing desks and tables.2. 有时候，直到珍贵的时刻成为了回忆，你才会真正认识到它的价值所在。答案：Sometimes, you wont know the true value of a moment until it becomes a memory. 1.观察下列例句，将序号填入对应用法之后的空白栏中 All the living things on the earth depend on the sun.The plane takes off at 5:00 a.m. Unless it rains tomorrow, the sports meet will take place.Our teacher told us the earth goes round the sun. He sometimes stay up till midnight to catch up with others.We always care for each other and help each other.She is a teacher. -Do you sing? A little.一般用法现在习惯或经常反复发生的动作或存在的状态，常与usually, always, seldom, often, frequently, every day等时间状语连用主语现在的特征，性格和状态客观规律，正确事实或科学真理，格言以及其他不受时间限制的客观存在特殊用法“主将从现”：主要用在条件从句（if和unless等）和时间状语从句（when, as soon as, before, after, until和by the time等）中，表示将来的动作。（注意：从句也可视情况用现在完成时，主句可视语境用将来任意时态）“时刻表”：安排，或计划要做的动作（有时间状语）限于begin, come, leave, go, arrive, open, start, stop, close, return 等一类短暂性动词。2. 翻译练习他并不总是在6点钟下班，有时他会工作到7点。答案：He doesnt always leave before 6 oclock. Sometimes he works until 7 o clock.机会总是青睐有准备的人。答案：Opportunities always favor the prepared minds.如果她来看我，我会很高兴。答案：答案：Ill be glad