语法-时态 自制.ppt

语法—时态 by Fiona 中学英语的常见时态： 一、一般体 一般现在时态 the present tense 1 表示客观事实或普通真理.(不受时态限制) 1）The geography teacher told us the earth moves around the sun. 2）Japan lies to the east of China. 3）The sun rises in the east and sets in the west. 2 表示现在经常或反复发生的动作或存在的状态 He takes a walk after supper every day. My mother works at the same company as my father. 3 表示主语的特征、性格、能力等Mr. Smith hates fish and never eats any. Mary speaks both English and French very well. 4 表示按时间表、议事日程将要发生的事是安排或计划好的肯定会出现的动作或状态。 5 在时间、条件状语从句中用一般现在时表示将来的动作。 We will have to put off the sports meeting if it rains tomorrow. 如果明天下雨我们将不得不推迟会议。 I can’t leave unless my boss agrees. 除非老板同意，否则我不能走。 Notes: if 引导的条件状语从句中可以用shall 或will 表示意愿，但不表示时态。 If you will accept my invitation and come to our party, my family will be pleased. 6.用于here, there开头的倒装句，表正在发生的动作或存在的状态 There goes the bell. Look! Here comes the bus. 一般过去时the past tense 1.主要表示过去某特定时间发生的情况或动作 He was here just now. She suddenly fell ill yesterday. 2.表示过去经常或反复发生的动作或存在的状态 I wrote home once a week at college. When I was a child, I often played in the street 3、表示过去的习惯 She used to study late into the night when she was in Senior There. He would sit for hours doing nothing. attention: 在时间、条件状语从句中表示过去将要发生的动作。 She told me she would not go if it rained the next day. Mom promised us ice-cream if we were good at the store. 在间接引语中表示”现在“ How did you know that I was Max? 一般将来时 将来时的四种形式 ①will /shall +动词原形（预测、说话人认为/客观的将来/意愿/偶然临时决定） Fish will die without water. Therell be no chemistry class tomorrow. -Do you know Mr. Green has come to our town? -No. I will go and visit him right now. ②be going to do （计划、安排/迹象表明） He is going to speak on TV this evening. Are you going to play basktetball after class? There is going to be a snowstorm. The car is going to turn over. be going to 与will/ shall+动原的区别 1、be going to 表示很快就要发生的事，而will/shall+动原 He is going to get better. He will get better. 2.1)-George phoned