at,on,in等介词使用.ppt

at/on/in;at/on/in(时间);②on用来表达星期几和几月几日： on Friday/ on Fridays on 12 March 1991 on Christmas Day on my birthday ③in来表达较长的时间（例如：月、季、年） in October in 1968 in the 18th century in the past in (the) winter in the 1970s In the Middle Ages in (the) future at 用于下列短语 at night I don’t like going out at night.;at the weekend / at weekends Will you be here at the weekend? at Christmas / at Easter(但on Christmas Day) Do you give each other presents at Christmas? at the moment / at present Mr Benn is busy at the moment / at present. at the same time Liz and I arrived at the same time. ;注意疑问句通常用What time…? (通常不用at what time…?) What time are you going out this evening? 可以说： in the morning(s) in the afternoon(s) in the evening(s) I will see you in the morning. Do you work in the evenings? ;但要说： on Friday morning(s) on Sunday afternoon(s) on Monday evening(s) and so on I’ll be at home on Friday morning. Do you really go out on Saturday evenings? last/next/this/every 前不用at/on/in: I will see you next Friday. (而非on next Friday) They got married last March. ;in a few minutes/in six months等表示将来某时： The train will be leaving in a few minutes.(从现在开始的几分钟后) Jack has gone away. He’ll be back in a week.(从现在开始的一周后) She will be here in a moment.(一会) 还可以说in six months’ time, in a week’s time They are getting married in six months’ time.(或…in six months) 还可以用in表示“用…时间” I learnt to drive in four weeks. (我学驾驶用了四周时间) ;1.用at, on或in+下列词语完句子。 the evening about 20 minutes 1492 Christmas the moment 21 July 1969 the 1920s the same time Sundays the Middle Ages 11 seconds night 1.Columbus made his first voyage from Europe to American ____ 2. In Britain most people do not work ___ 3. If the sky is clear, you can see the stars ___ 4. After working hard during the day, I like to relax___. ;5. The first man walked on the moon___ 6. It’s difficult to listen if everyone is speaking ___ 7. Jazz became popular in the United States__ 8. I’m just going ou