现在完成时态讲解及练习
一、现在完成时的构成肯定句：主语havehasdo
e过去分词其它
Hehaslivedi
She
zhe
for4years一般疑问句：HaveHas主语do
e过去分词其它
Hashelivedi
She
zhe
for4years否定句主语havehas
otdo
e过去分词其它
Hehas
otfi
ishedhishomework过去分词的构成方法如下1一般情况下，直接在动词原形后面加edworkworkeda
swera
sweredobeyobeyedwa
twa
ted2以不发音的e结尾的动词只加dMovemovedhopehopeddividedivided3字尾是辅音y的动词。则将y改i加edstudystudiedtidytidiedsatisfysatisfied4以重读闭音节结尾的词，这些词的末尾只有一个辅音字母时，双写这个辅音字母，再加edstopstoppedregretregretteddropdropped
不规则动词过去式与过去分词分类记忆表
一、AAA（原形，过去式和过去分词一致）
1花费
costcost
cost
2割
cutcut
cut
3伤害
hurthurt
hurt
4让
letlet
let
5放
putput
put
6朗读
readreadread
7设置
setset
set
8打击，碰撞hithit
hit
9
关上门窗shutshut
shut
10让
letlet
let
二、ABB（过去式和过去分词一致）
1过去式、过去分词含有ought
1
带来bri
gbrought
2
买
buy
bought
3
打架fightfought
4
想
thi
kthought
5
寻找、seeksought
探究
2过去式、过去分词含有aught
5
抓住catchcaught
6
教
teachtaught
3过去式、过去分词t替换原形d
broughtboughtfoughtthoughtsought
caughttaught
7
建筑buildbuiltbuilt
8
借出le
d
le
t
le
t
9
花费spe
dspe
tspe
t
10
派遣se
dse
t
se
t
4过去式、过去分词在原形词尾加t或d
11学会lear

lear
tedlear
ted
12意思mea
mea
t
mea
t
13燃烧bur

bur
tedbur
ted
13做梦dreamdreamteddreamted
13处理deal
dealt
dealt
14听hear
heard
heard
5）过去式、过去分词改为ept
15
保持keepkeptkept
16
睡觉sleepsleptslept
17
扫
sweepsweptswept
6）过去式、过去分词改为elt
18感觉feel
felt
19嗅
smellsmelted
20拼写spellspelted
7过去式、过去分词改为aid
20
孵蛋lay
laid
21
说
say
said
felsmeltedspelted
laidsaid
18
f22
支付pay
paid
8过去式、过去分词改为old
23
卖
sell
sold
24
告诉tell
told
9过去式、过去分词改为ood
25站sta
d
stood
paid
soldtold
stood
26明白
u
dersta
du
derstoodu
derstood
10其它变化
27得到get
got
gotgotte

28坐
sit
sat
sat
29照顾babysitbabysatbabysat
30离开leave
left
left
31失去lose
lost
lost
32找到fi
d
fou
d
fou
d
33有
havehashad
had
34握住，hold
held
held
召开
35制造make
made
made
36悬挂ha
g
hu
g
hu
g
37照耀shi
e
sho
e
sho
e
3r