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语法——动词的基本形式
Part 1:知识点
在英语中，动词有五种基本形式：
1.动词原形
2.第三人称单数形式
变化规则：（1）在动词原形后加-s，例如work-works
以ch,sh,s,o,x结尾的动词后加-es，如teach-teaches wash-washes go-goes pass-passes box-boxes
以辅音字母加-y结尾的动词先将y变为i后，再加-es，例如：study--studies
以元音字母加y结尾的动词后加-s，如play-plays
3.过去式与过去分词
变化规则：（1）在动词原形后加-ed，例如：work-worked
以辅音字母加-y结尾的动词，先将y变为i，再加-ed，例如：study-studied
以重读闭音节结尾，而末尾只有一个复印字母的，双写辅音字母后，再加-ed，例如stop-stopped
4.现在分词
变化规则：（1）在动词原形后加-ing，例如：work-working
以不发音的e结尾的动词，去掉e再加-ing，例如write-writing
少数几个以-ie结尾的动词要变-ie为-y，再加-ing，例如：die-dying
以重读闭音节结尾的动词，末尾只有一个辅音字母，双写辅音字母后加-ing，例如dig-digging
归纳总结：
原形 第三人称单数形式 过去式 过去分词 现在分词
study studies studied studied studying
do does did done doing
have has had had having
learn learns learned/learnt learned/learnt learning
Part 2:练习
一、填空。
原形 第三人称单数形式 过去式 过去分词
have
give
get
read
sweep
play
carry
二、写出下列动词的第三人称单数形式。
1.drink__________ 2.go__________ 3.stay__________ 4.make__________ 5.have__________ 6.pass__________ 7.come__________ 8.fly__________ 9.plant__________ 10.brush__________
三、用所给单词的适当形式，补全句子。
They often ________（have）dinner at home.
Mike __________（not go）to the park on Saturday.
The woman _______（teach）us music on Sundays.
There ________（be）some water in the bottle.
What _______they often _______（do）on Saturdays
答案：
一、
原形 第三人称单数形式 过去式 过去分词
have has had having
give gives gave giving
get gets got getting
read reads read reading
sweep sweeps swept sweeping
play plays played playing
carry carries carried carried
二、1.drinks 2.goes 3.stays 4.makes 5.has 6.passes 7.comes 8.flies 9.plants 10.brushes
三、1.have 2.didn’t go 3.teaches 4.is 5.do do

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