高中英语必修五《Module1Grammar》.ppt

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1、M1GrammarObjectives1. To review present simple, present continuous, present perfect and future reference; for and since with present perfect2. To use the present perfect tense: for or sinceThe Present Simple Tense一般现在时 1一般现在时表示经常性或习惯性的动作： They cycle to work every day. We always care for each other a

2、nd help each other. 2现在的特征或状态： He loves sports. I major in English. Do you sing? A little. 3. 普遍真理： Light travels faster than sound. Two and four makes six. The moon moves round the earth. I feel a sharp pain in my chest. You see what I mean? 注1.有些表示状态和感觉的动词常常可用于一般现在时：be, love, like, hate, want, hop

3、e, need, prefer, wish, know, understand, remember, believe, guess, suppose, mean, belong, think, feel, seem等等。 The plane takes off at 11 am. Is there a firm on tonight? Tell her about that when she comes. Turn off the light before you leave. Well start as soon as you are ready. 2.在口语中这个时态用来表示一个按规定、计

4、划或安排发生的情况（都有一个表示未来时间的状语）：另外，在时间或条件从句中，将来动作或状态多用这一时态表示：但只限少数动词,如begin, come, go, leave, sail, start, arrive, return, stop, open, close等。The Present Continuous Tense现在进行时 Jim is always coming late to class.Hes always thinking of others.1)与always, all the time, constantly, forever等连用，表示说话人责备，厌恶，赞赏等感情，相

5、当于“老是”。2)表示主语最近计划或按安排将要做的事，能这样使用的动词有go, come, leave, arrive, stay, begin, see, meet, start等。He is meeting the manager tomorrow.a. He is always thinking of his work. 他总是想着他的工作。 He is constantly leaving his thing about. 她老是乱扔东西。 He is always boasting. 他老爱说大话。（表赞许）（表不满）（表厌烦）注：现在进行时有时用来代替一般现在时，表示一个经常性动作

6、或状态，或是为了表示一种感情（a）如赞叹、厌烦等，或是为了强调情况的暂时性（b）。 b. He is sleeping in the next room now. 他现在现在是在隔壁房间睡了。 （不再原来房间睡了） The professor is typing his own letters while his secretary is ill. Where is he working? 他现在在那里工作？ （可能刚换工作） The Future Tense将来时 I think everything will be OK.我相信一切都会好的。Jim is going to buy a ne

7、w coat this winter.Look at the dark clouds, its going to rain.1)will:表示说话时决定做的事；表示某种预见；有一定的科学根据；用在“I think /expect” 等后的从句中。2)be going to:有迹象表明要发生；事先计划，考虑，安排要做的事。Were to meet at 4:00 this afternoon.The shop is to be opened in May.3)be about to do:表示即将发生的动作。 (一般不与时间状语连用，但可与when从句连用) The meeting is abo

8、ut to begin.4)be to do:表示约定、计划、安排要做的事。The Present Perfect Tense现在完成时 现在完成时由have的人称形式加过去分词构成。现在完成时的肯定、否定及疑问形式如下： I have read it. I have not read it. Have you read it? I have seen the film many times. The city has taken on a new look. 用法：现在完成时表示现在以前发生的动作或情况，可以是：1.到现在为止的这一时期中发生的情况（可能时多次动作的总和，也可表示状态和习惯性动作）：We have opened up 50 mu of land this year. I havent seen him for many days. 2. 对现状有影响的某一已发生的动作：现在完成时可以用来表示发生在过去某一时刻的, 持续到现在的动作 (用行为动词表示) 或状态 (be动词表示) 常与for (+时间段), since (+时间点或过去时的句子) 连用。1. for+时段 为时间 2. since+过去一个时间点 （译为：自从以来） 3. since+时段+ago 4. since+从句（过去时） 5. It is+时段+since+从句（过去时）