1.基本用法
1.1 现在正在进行的动作和发生的事
- I'm reading a play by Shaw.
- How are things going?
- Mary is knitting and listening to the radio.
- It's snowing hard.
- What are they quarrelling about?
- Why aren't you wearing a coat?It's so cold.
- They're travelling in India.
- I'm waiting to have a word with you.我在等着和你说句话。
1.2 现阶段正发生的事，此刻动作不一定正在进行
- Hello,Tom, are you still working in that bank?
- She's teaching at a night school.
- I'm writing a book about ecology.
- Sorry, you can't take the type writer away,I'm using it.
2 现在进行时表示将来动作
2.1 在口语中，且以人为主语，可以未来时间的状语，多指已计划安排好的事
以物为主语的时候，多用一般现在时表示，如The train leaves at 9:30
- I'm meetingPeter tonight.He's taking me to the theatre.
- I'm flying to HongKong tomorrow.
- Are you doing any thing tomorrow afternoon？——Yes, I'm playing tennis with Betty.
- I'm not going out tonight. I'm staying at home.
- When is Helen coming home?
- They're getting married next month.
- They're spending the summer at Switzerland.
2.2 时间和条件从句中表示未来情况
- You can do some reading while you are waiting for the train.你等火车时可以看看书。
- You must visit Switzerland when you are travelling in Europe.你在欧洲旅行时一定要访问瑞士。
2.3 be going to结构
a) 准备或打算做某事
- He's going to buy a new car.
- She is not going to be there tonight.
- Is he going to lecture in English or in Chinese?
b)即将发生的事或要发生的事
- There's going to be a thunder storm.
- It's going to be warm tomorrow.
- My cousin is going to have a baby.
- Where are you going to go during the holiday?
- They're going to come with me.
3 表示经常性的动作
3,1 常和always，constantly，forever这类副词连用，表示厌烦、赞美等情绪
- He is always losing his keys.他老是丢钥匙。（不以为然）
- I'm always making that mistake.我老犯那个错。（不耐烦）
- She's always working.她总是在工作。（赞赏）
- You're always thinking of others.你总是想到别人。（赞美）
- She's constantly changing her mind.她老是改变主意。（不满）
- The baby is constantly screaming.宝宝老是尖叫。（不耐烦）
- He's forever finding fault with what I do.他老是找我的茬。（厌烦）
- She's perpetually nagging.她老爱唠叨。（厌烦）
3.2 一般现在时说明事实，用现在进行时则表示某种情绪
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