人教版 (2019)选择性必修 第三册Unit 4 Adversity and Course学案

这是一份人教版 (2019)选择性必修 第三册Unit 4 Adversity and Course学案，共2页。

现在完成进行时
[观察例句]
1．Peple have been enjying the benefits f cycling in Amsterdam fr years.
2．Many peple arund the wrld have been enjying city centre streets withut cars fr many years.
3．He has been fighting with a friend.
4．I have been lking fr a jb fr three mnths.
5．I have been writing letters all this evening and I've just finished them.
6．Yu haven't been ding yur hmewrk thse days.
[归纳用法]
一、意义
现在完成进行时表示动作从过去某一时间开始，一直持续到现在，可能还要继续进行下去。
二、构成
肯定形式：have/has＋been ding(第三人称单数用has，其他人称用have)
I have been waiting fr yu.我一直在等你。
否定形式：have/has＋nt＋been ding
He hasn't been using the car fr the last tw mnths.
过去两个月他一直没用车。
三、用法
1．表示动作从过去某时开始一直持续到说话时还在进行，或可能还要继续下去。通常和“fr＋时间段”或“since＋时间点(或从句)”的时间状语连用。
It has been snwing fr three hurs.
雪已经下了三个小时了。(从过去某一时间开始下雪，强调到现在还在下)
2．表示不久前刚刚结束的动作。这种意义通常根据上下文来判断。
Her eyes are red. It's bvius that she has been crying fr a lng time.
她的眼睛红红的。显然哭了很长时间。
3．强调动作延续时间的长久或带感情色彩。
She has always been wrking hard.
她工作一直很努力。
4．表示这段时间反复发生的事情。
I have been visiting sme cities f China this mnth.
这个月我一直在参观中国的一些城市。
[名师点津]
不能用于进行时的动词如表示心理活动、属性拥有、表象感官、行为结果的动词不用于现在完成进行时。
I have been having a cld fr tw weeks.(×)
I have had a cld fr tw weeks.(√)
我已经感冒两周了。
[即学即练] 单句语法填空
①They have been building(build) the bridge fr tw mnths.
②He has been playing(play) basketball since he was ten.
Ⅰ.单句语法填空
1．The Chinese gvernment has been ding(d) research int vaccine (疫苗) against Cvid­19 fr mnths，recently many have received the first dses.
2．The dllar has been climbing(climb) steadily all week.
3．I have been waiting(wait) fr an hur and a half.
4．She is very tired. She has been wrking(wrk) all mrning.
5．Jim has been phning(phne) Jenny every night fr the past week.
6．Engineers have been building(build)mdels fr a lng time.
7．The telephne has been ringing(ring) in the ffice all the mrning.
8．In the past few years，he has been dealing(deal) with a few internatinal cmpanies.
9．She is tired. She has been typing(type) letters all the afternn.
10．He has written(write) a letter this mrning and sent it t his friend.
Ⅱ.短文语法填空
My wish is 1.t g(g) t a key university. I 2.have been studying(study) fr many years. But I am pr 3.in English since I went t junir schl. My English teacher tld me t insist 4.n listening and writing. I 5.have been learning(learn) English every mrning t imprve it. Because I 6.have wasted(waste) a lt f time，it was hard t catch up with ther students. After 7.ging(g) t high schl，I 8.have been staying(stay) up late int the night and 9.have been getting(get) up early in the mrning. I 10.have been writing(write) tw cmpsitins every day. I think I shuld spare n effrt t imprve my English and achieve my dream.