必修三Unit 1第三课时ppt课件.ppt

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1、Book 3Unit 1Period 3 情态动词的用法,Leading in（填空）I can （guess） your age. can 是 情态动词 ，这类动词我们还知道有：,我们可以用情态动词来表达以下情况：ability( )、advice（ ）、agreement( )、guessing( )、past habit( )、necessity( )、permission( )、possibility( )、prediction( )、promise( )、request( ),能力,建议,赞同,猜测,过去的习惯,必要性,许可,可能性,预测,许诺,请求,Thinking：读下面的句子，

2、用上部分的单词表述情态动词的用法。1、can coulda、Jim isnt very good at maths or science, but he can speak English very well. b、Our history test was so long last week that no one could finish it. c、It was the last day of school, but the teacher said that we could not leave early. d、The hunters have been lost for days.

3、They could starve.e、Could you please show me the way to Beihai Park.,ability,ability,permission,possibility,request,2、may mighta、What award did you get for the sports competition? May I have a look? b、Our football team didnt play very well today, but we might do better tomorrow. 3、will woulda、During

4、 the Spring Festival time the whole family will come for dinner. b、My uncle was poor but liked fashion, so he would often dress up as a rich man. c、Are you free this Saturday? Would you like to join my family for dinner?,request,possibility,prediction,past habit,request,4、shall shoulda、The harvest f

5、estival begins on Saturday. We shall be there with our friends. b、When going by plane, you should arrive at the airport at least one hour early. c、Its nearly time for class to start. The teacher should be there soon.,promise,5、must canta、When you eat fish you must be careful with the bones. b、Wang Feng has won the English competition three times.He must be very smart. c、A man landed on Mars? You must be joking. That cant be true.,