b2科目四模拟试题多少题驾考考爆了怎么补救
b2科目四模拟试题多少题 驾考考爆了怎么补救

eat的过去分词_eat的过去式和过去分词_have过去式和过去分词

电脑杂谈  发布时间:2017-04-26 21:21:49  来源:网络整理

下面是动词一般过去式和过去分词的变化规则:

动词过去式和过去分词的变化规则

动词过去式和过去分词有规则变化和不规则变化两种。

1) 规则变化

情况 例词 读音与说明

动词原形 过去式 过去分词

一般在动词原形后加-ed look

call

open

need looked

called

opened

needed looked [lukt]

called [kC:ld]

opened [5EupEnd]

needed [ni:did] ①-ed在清辅音音素后

发音为〔t〕,在浊辅音后发音为〔d〕,在元音后发音也为[d]

②-ed在〔t]、〔d〕

后发音为[id]

③但fix的过去式和过去

分词x不双写,为fixed.

以-e结尾的动词加-d move

phone

hope

agree moved

phoned

hoped

agreed moved [mu:vd]

phoned [fEund]

hoped [hEupt]

agreed [E5^ri:d]

以辅音字母加y结尾的动词,变y为i,

再加-ed study

carry

try studied

studied

carried studied [5stQdid]

carried [5kArid]

tried [traid]

以原音字母加y结尾的词,直接加-ed play

enjoy

stay played

enjoyed

stayed played [pleid]

enjoyed [in5dVCid]

stayed [steid]

末尾只有一个辅音字母的重读闭音节词,双写该辅音字母,再加-ed stop

plan

fit stopped

planned

fitted stopped [stCpt]

planned [plAnd]

fitted [5fitid]

以-r音节结尾的词,双写r字母,

再加-ed prefer

refer preferred

referred preferred [prI`f:d]

referred [ri5fE:]

2) 不规则变化

英语中有些动词的过去式和过去分词形式变化不规则,可分为五种情况。eat的过去分词

1.动词原形、过去式和过去分词完全同形。

例:

原形 过去式 过去分词

cut(切)

hit(打)

cast(扔)

hurt(伤害)

put(放)

let(让)

shut(关)

cost(花费)

set(放)

rid(清除) cut

hit

cast

hurt

put

let

shut

cost

set

rid cut

hit

cast

hurt

put

let

shut

cost

set

rid

2.过去式与过去分词完全同形。eat的过去分词

例:

原形 过去式 过去分词

find(找到)

pay(支付)

leave(离开)

lend(借出)

meet(遇见)

keep(保持)

lose(丢失)

teach(教)

sit(坐)

lead(引导)

win(赢)除) found

paid

left

lent

met

kept

lost

taught

sat

led

won found

paid

left

lent

met

kept

lost

taught

sat

led

won

3.动词原形与过去分词同形

例:

原形 过去式 过去分词

come(来)

run(跑)

become(成为) came

ran

became come

run

become

4.动词原形、过去式、过去分词形式完全不同。

例:

原形 过去式 过去分词

give(给)

fly(飞)

drink(喝)


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