内容正文:
动词的时态和语态
一.动词的时态
一、一般现在时:(often ,always, usually, every day, sometimes, seldom等)
(1) 经常性,习惯性的动作和现在的状态、特征。
(2) 客观事实、普遍真理或自然现象。
(3) 时间状语从句和条件状语从句中,用一般现在时表示将来。
(4) 按计划、时刻表规定要发生的动作,短暂动词:begin, come, leave, go, arrive, stop, return open, close 等。
跟踪练习:
1. The teacher told us the earth ___________ (go) around the sun.
2. We will have to stay at home if it ___________ (rain) tomorrow.
3. The plane ___________ (take) off at five.
4. As soon as he ___________(come) back, I will tell him the news.
5. On Monday mornings it usually __________ (take) me an hour to drive to walk although the actual distance is only 20 miles.
6. My parents have promised me to come to see me before I ___________(leave) for Africa.
二、 一般过去时 ( yesterday, just now, in 2006, at that time , at that moment, the other day, in the old days, last night/week/year/month/Sunday , a few days/weeks/months ago等)
(1) 过去某时间发生的事,存在的状态。
(2) 过去经常、反复发生的动作。
跟踪练习:
1. If the weather had been fine, we could have got in our crops. But it _____(rain)all day.
2. My father _________(work) as a painter for about five years, but now he is a teacher.
3. The other day, I ________(go) for a picnic with my classmates.
4. She said she would come if I __________(promise) to wait for her.
5. I always _________(get) up too late, and never had enough time for breakfast.
三、一般将来时:
(1)表示将来的动作或状态,常用will+动词原形。
(2)用进行时表示按计划即将发生的动作,比如:go, come, start, leave, stay, return , arrive, begin, take , meet等
(3)be going to do sth(打算要做.../表迹象某事要发生)
(4)be to do sth 按计划、安排将要做...;
(5)be about to do sth:表即将要发生的;不能与表示将来的时间连用。
跟踪练习:
1. If new farming methods succeed, they __________(increase) their production by 20 percent.
2. My family __________(go) for a picnic next Sunday.
3. We should accept their offer , for we have had such bad luck so far, and time _______(run) out.
4. Unless it ___________(rain), we will go for a picnic next Sunday.
5. We were about to leave school __________ it began to snow.
6. They ______________(meet) at the gate of