1、Perfect Tense现在完成时现在完成时1简易辅导1.现在完成时态表示过去发生的动作对现在造成的影响或现在完成时态表示过去发生的动作对现在造成的影响或结果结果 Our teacher has left.We have studied English.I have already finished the homework.He has had his lunch.He has become a doctor.have/has+过去分词过去分词2简易辅导2.某个动作从过去已经开始某个动作从过去已经开始,一直持续到现在一直持续到现在,还还有可能持续到将来有可能持续到将来.动作的持续性要通过一
2、段时动作的持续性要通过一段时间来表示间来表示.(1)recently,in recent years(2)For/in/during/over the last/past 30 years,great changes have taken place in my hometown.(3)Since +过去的某一时刻过去的某一时刻,since nine yesterday since last week since you came since you got home.We havent seen each other since last year.We havent seen each o
3、ther since we graduated from our university.3简易辅导Perfect TensesNew过去完成时4简易辅导助动词助动词+过去分词过去分词助动词助动词+过去分词过去分词 构成？构成？5简易辅导6简易辅导7简易辅导 8简易辅导9简易辅导10简易辅导过去完成时与现在完成时二者用法基本相同，但现在完成时以现在时间为基点，过去完成时则以过去的时间为基点，与现在无关，即过去的过去。过去完成时常用于宾语从句中;Summary11简易辅导by,before 12简易辅导Before I met her,I had heard a lot about her.13简
4、易辅导 14简易辅导15简易辅导 16简易辅导 17简易辅导18简易辅导19简易辅导20简易辅导21简易辅导22简易辅导1.（2011天津卷）In the last few years thousands of films all over the wordAhave produced Bhave been producedCare producing Dare being produced2.（2011北京卷）Experiments of this kind in both the USand Europe well before the Second World WarAhave cond
5、ucted Bhave been conductedChad conducted Dhad been conductedBD23简易辅导3（2011四川卷）19What a mistake!YesI his doing it another way,but without successAwas suggesting Bwill suggest Cwould suggest Dhad suggested4.（2011辽宁卷）By the time Jack returned home from England,his son_from collegeAgraduated Bhas gradua
6、tedChad been Dhad graduated5.（2011湖南卷）It is the most inspiring lecture that I _since I came to this schoolAattended Bhad attendedCam attending Dhave attendedDDD24简易辅导6.（2011山东卷）She was surprised to find the fridge empty;the child _ everything!Ahad been eating Bhad eatenChave eaten Dhave been eating7
7、.（2011福建卷）Last month,the Japanese government expressed their thanks for the aid they_ from ChinaAreceive Bare receiving Chave received Dhad received8.She _her keys in the office so she had to wait until her husband _home.A.has left;comes B.had left;would come C.had left;came D.left;had come BDC25简易辅导
