Unit 22 现在进行时
现在进行时表示现在某一时刻或某一阶段正在进行或发生的动作。常与now,at present,at the moment,look,listen等词连用。
语法讲解
现在分词的构成
1.一般情况下直接+ing
do–doing
look–looking
2.以不发音的e 结尾的动词,去e +ing
make–making
ride–riding
3.以重读闭音节结尾,末尾只有一个辅音字母的动词,要双写这个辅音字母+ing
put–putting
get–getting
4.一些以ie 结尾的动词,先变ie 为y ,再加ing
lie–lying
现在进行时的用法现在进行时的形式:主语+be动词+现在分词
1.表示说话时正在发生或进行的动作,常与now ,at present ,at the moment ,look ,listen 等词连用。
I am watching TV now . 我正在看电视。
2.表示当前一段时间内正在进行的动作,常与this week ,this month ,these days 等连用。
He is writing his paper this month . 他这个月正在写论文。
3.表示按计划或安排要进行的动作。常与表示将来的时间状语连用,常用的动词有come ,go ,leave ,arrive ,start 等。
I am leaving for Beijing tomorrow. 我明天要去北京。
巧学妙记
现在分词的构成
直接+ing do–doing -ing, -ing,我的加法很好记;
去e+ing make–making普通加上ing,不发音的去掉e;
双写+ing put–putting双写的,怎么记?
“重闭一”(重读闭音节),是规律,就像put,双写t;
特殊的lie–lying不要忘记小ie,不变y时它生气。
语法练习
一、用所给动词的正确形式填空。
1.They __________(watch) TV now.
2.Listen! Someone __________(sing) over there.
3.What is Kate doing? She __________(read) books.
4.Be quiet! The baby __________(sleep).
5.A: How's the weather?
B: It __________(rain) now.
二、按要求完成下列句子。
1.Lily is swimming now.(改为否定句)
Lily _______ _______ now.
2.The twins are washing their clothes .(就画线部分提问)
_______ _______ the twins doing?
3.He is watching TV.(改为一般疑问句)
_________ he __________TV?
4.He is reading a book .(就画线部分提问)
_______ _______ he __________?
5.They are playing games over there.(就画线部分提问)
_______ _______ they __________ over there?
三、读一读,圈出正确的词。
1.I am play/playing basketball.
2.He is brush/brushing the dog.
3.We are having/have breakfast.
4.My brother is read/reading a book.
5.They are swim/swimming in the pool.
四、根据图片,写句子。
1.Lily __________________________
2.Lucy and Tom __________________
3.Jack __________________________
4.Mr. Brown ___________ for Sunny.
5.Mike __________________________
词汇加油站
加-ing要双写的常见动词
一个m,两个d和g(swim)(nod, rid)(dig, beg)
三n,四p,十个t(run, win, begin)(dip, drop, mop, stop)(sit, hit, fit, set, get, let, put, regret, forget, pat)
注意:有些动词是没有进行时态的,例如:understand,hear,be,like,love等。
答案
一、1.are watching
2.is singing
3.is reading
4.is sleeping
5.is raining
二、1.isn't, swimming
2.What, are
3.Is, watching
4.What, is, doing
5.What, are, doing
三、1.playing
2.brushing
3.having
4.reading
5.swimming
四、1.is reading a book on the grass.
2.are singing on the bench.
3.is painting a picture.
4.is taking photos./is taking a photo.
5.is riding a bike.