资源简介

(共15张PPT)
动词的各种变化规则
课堂要点
动词的第三人称单数变化规则
动词的现在分词变化规则
规则动词的过去式和过去分词变化规则
动词的第三人称单数变化规则
1. 直接+s
like- likes play-plays
2. 以s, x, sh, ch, 接尾的动词：+es
wash-washes watch-watches
3. 以辅音+o接尾的动词：+es
go-goes do-does
4. 以辅音+y接尾的动词：变y为i+es
fly-flies carry-carries
注意：have-has
动词的现在分词变化规则
1. 直接+ing
speak→speaking study→studying
2. 以不发音e结尾的动词：去e+ing
live→living make→making
3. 以ie结尾的动词：变ie为y+ing
lie→lying die→dying
4. 以“辅元辅”结尾的动词：双写最后一个辅音字母+ing
plan→planning kid→kidding
5. 以“元音+l，r”结尾并为重读音节：常重复词尾+ing
compel →compelling prefer→preferring
规则动词的过去式和过去分词变化规则
1. 直接+ed
show→showed match →matched
2. 以不发音e结尾的动词+d
live→lived like →liked
3. 以辅音字母+y结尾的动词：变y为i+ed；若“元音字母+y”：+ed
study→studied play→played
4. 以“辅元辅”结尾的动词：双写最后一个辅音字母+ed
stop→stopped bud→budded
5. 以“元音+l，r”结尾并为重读音节：常重复词尾+ed
compel →compelled prefer→preferred
牛刀小试
请写出下列规则动词的第三人称单数，现在分词和过去式（过去分词）
cry ____________________ watch ________________________
stop _______________________ tie__________________________
live _______________________ refer_________________________
control _________________________________
cries crying cried
stops stopping stopped
lives living lived
controls controlling controlled
watches watching watched
ties tying tied
refers referring referred
1. Planning so far ahead _____ no sense—so many things will have changed by next year.
A. made B. is making C. makes D. has made
2. When Alice came to, she did not know how long she _____ there.
A. had been lying B. has been lying C. was lying D. has lain
3. Experiments of this kind __________ in both the U.S. and Europe well before the Second World War.
A. have conducted B. have been conducted
C. had conducted D. had been conducted
4. Tom __________ in the library every night over the last three months
A. works B. worked
C. has been working D. had been working
初露锋芒
5. — Bob has gone to California.
— Oh, can you tell me when he _________
A. has left B. left C. is leaving D. would leaving
6. Did you predict that many students ______ up for the dance competition
A. would sign B. signed C. have signed D. had signed
7. When I got on the bus, I _____ I had left my wallet at home.
A. was realizing B. realized C. have realized D. would realize
1. Since then, kung fu evolved into a distinct African film style. Nollywood, Nigeria’s film industry, _________ (produce) numerous low-budget kung fu movies.
2. Excelling in many key areas, the CR450 ________ (set) new global standards so far, according to China State Railway Group.
3. Tie-dye, or Zaraam in Chinese, is the time-honored handmade art of the Bai ethnic group (白族). The technique _________ (date) back over 1,000 years in China.
4. Over the past years, the ecological environment of the Qinghai-Tibet Plateau ________________ (experience) comprehensive changes.
5. With all this beauty, it is not surprising that up to now Ireland ___________ (develop) strong traditions that include music, dancing, and dining.
真枪实战
has produced
has set
dates
has experienced
has developed
6. Master Mfaume, who heads the biggest kung fu temple in Tanzania, has become a social-media sensation, with short films of himself and his students ________ (show) off lightning moves.
7. _______ (root) in the traditions of Chinese culture, kung fu has become a global phenomenon celebrated and adapted by communities across Africa.
8. The high-speed train also prioritizes passenger comfort, _________ (aim) to offer a smooth and quiet ride, even at an operational speed of 400 km/h.
9. The plan will extend protection to a significant number of areas that ________ (be)previously unprotected, bringing many of the existing protected areas for giant pandas under one authority __________ (increase)effectiveness and reduce inconsistencies in management.
10. Over the past year, several films and TV dramas _________ (put) their shooting sites into the public spotlight.
showing
Rooted
aiming
were
to increase
have put
11. Thanks to his hard work, Gui Haichao progressed rapidly in every training course and was chosen for the Shenzhou XVI mission to become the first civilian and scientist in this country _______ (travel) in orbit.
12. The peaceful landscape of the “Emerald Isle” and its many green counties is a true feast for the eyes, with its rolling green hills ________ (dot) with sheep and cattle.
13. On the Tomb Sweeping Day and the Dragon Boat Festival, people would fly kites _______ (shake) off ill luck, so that family members could live long and healthy lives.
14. As a combination of physical activity and folk tradition, this heritage has been passed down, ___________ (reflect) the lasting charm of Chinese civilization.
15. As they mature and gradually become independent, ________ (gain) the approval of others in their age group becomes increasingly important.
to travel
dotted
to shake
reflecting
gaining
规 则变 化 动词结尾情况 第三人称单数 现 在 分 词 过去式/过去分词
一般情况 +s +ing +ed
s,x,ch,sh,辅音+o结尾 +es +ing +ed
辅音字母+y结尾 y→i+es +ing y→i+ed
不发音的e结尾 +s 去e+ing +d
ie结尾 +s ie→y+ing +d
重读闭音节“辅元辅”结尾 +s 双写辅音字母+ing 双写辅音字母+ed
以“元音+l，r”结尾并为重读音节 +s 常重复词尾+ing 常重复词尾+ed
本堂小结
Thank you!

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