一般过去时的讲解自动保存的资料文档格式.docx
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Yes,主语+did/否定回答:
No,主语+didn’t
Didyouvisitthefactorylastweek?
Yes,Idid/No,Ididn’t
Didn’tyouvisitthefactorylastweek?
Yes,wedid/No,wedidn’t
did和didn’t是构成一般过去时的助动词,其特点是要在其后跟动词的原形。
3.情态动词的一般过去时态含有情态动词的一般过去时与含有Be动词的一般过去时,是十分相似的:
主语+情态动词过去式+动词原形+其它
IcouldswimwhenIwassevenyearsold.
主语+情态动词过去式+not+动词原形+其它.
IcouldnotswimwhenIwassevenyearsold.
情态动词+主语+动词原形+其它?
yes,主语+情态动词过去式
否定回答:
no,主语+情态动词过去式
Couldyouswimwhenyouweresevenyearsold?
.
Yes,Icould/No,Icouldn’t
情态动词过去式+not+主语+动词原形+其他
Couldnotyouswimwhenyouweresevenyearsold?
Yes,Icould/No,Icouldnot
情态动词的过去式:
can→could,may→might,must→must,will-would,should-should。
四动词过去式的基本用法;
①表示过去某个特定时间发生的动作或存在的状态
②表示过去的习惯性或经常发生的动作
五动词过去式的变换规则:
1.一般情况下,在动词原形后面加-ed。
look→lookedplay→playedstart→startedvisit→visitedpull-pulled,cook-cooked
2.以不发音e结尾的动词,在词尾直接加-d。
live→liveduse→usedtaste-tasted
3.以“辅音字母+y”结尾的动词,先将y改为i,再加–ed。
study→studiedtry→triedfly→flied
4.以重读闭音节(即辅音+元音+辅音)或r音节结尾,末尾只有一个辅音字母的动词,要先双写这个辅音字母后,再加–ed。
stop→stoppedplan→plannedstop-stoppedprefer→preferred
六知识点关联
(1)直接引语与间接引语的用法:
如果主句谓语动词为各种现在时或一般将来时,则间接引语中的动词仍保持直接引语原来时态。
如果主句谓语动词为过去时,间接引语中的动词时态按下列变化
一般现在时变为一般过去时
Heasked,"
Wheredoyoulive?
"
→HeaskedmewhereIlived.
(2).usedtodosth.意为"
过去常常做某事"
,
IusedtoswiminthisriverwhenIwasyoung.我年轻时常在这条河里游泳。
beusedtosth./doingsth.意为"
习惯、适应某事/做某事
Iwasn'
tusedtocitylife,butnowIhavegotusedtolivinginthiscity.我以前不习惯都市生活,但现在我已习惯住在这座城市了。
beusedtodosth.意为"
被用来做某事
Woodcanbeusedtomakepaper.树木可以用来造纸。
beusedfor...意为"
被当做……"
Theseal'
sfurcanbeusedforcoats.海豹皮可当做大衣用。
七年级下册各单元动词及其单三现在分词过去式过去分词的的变换规则:
原型
单三
过去式
现在分词
过去分词
Unit1Canyouplaytheguitar
joinv.参加;
加入
joins
joined
joining
dancev.跳舞;
舞蹈
dance
danced
dancing
swimv.游泳
swims
swam
swimming
swum
singv.唱;
唱歌
sings
sang
singing
sung
paintv.画画
paints(可做名词复数)
painted
painting
speakv.说;
说话
speaks
spoke
speaking
spoken
drawv.画
draws
drew
drawing
drawn
tellv.n讲述;
告诉
tells
told
telling
writev.写作,写字
writes
wrote
writing
written
talkv.n说话;
谈话
talks
talked
talking
makev.使或为;
制造
makes
made
making
teachv教,讲授
teaches
taught
teaching
Unit2Whattimedoyougotoschool
exercisev.n锻炼;
练习
exercises(可做名词练习的复数)
exercised
exercising
workn.&
v.工作
works
worked
working
brushv.刷
brushes
brushed
brushing
runv跑;
奔
runs
ran
running
run
walk行走;
步行
walks
walked
walking
cleanv打扫;
弄干净
cleans
cleaned
cleaning
tastev.有…的味道;
品尝n.味道;
滋味
tastes
tasted
tasting
Unit3Howdoyougettoschool
ridev骑n旅行
rides
rode
riding
ridden
drive开车
drives
drove
driving
stop停止
stops
stopped
stopping
leave离开
leaves(可做leaf的复数)
left
leaving
dream梦想;
睡梦
dreams可做名词
dreamed
dreaming
Unit4Don’teatinclass
arrive到达
arrives
arrived
arriving
listen听;
倾听
listens
listened
listening
fight打架战斗
fights
fought
fighting
wear穿;
戴
wears
wore
wearing
worn
bring带来;
取来
brings
brought
bringing
relax放松;
休息
relaxes
relaxed
relaxing(一般做形容词)
read读;
阅读
reads
read
reading
remember记住;
记起
remembers
remembered
remembering
keep保持;
保留
keeps
kept
keeping
learn学习;
学会
learns
learnt
learning
Unit5Whatdoyoulikepandas
sleepv,n睡觉
sleeps
slept
sleeping(可做形容词)
23、savev救;
救助
saves
saved
saving(多做形容词)
forgetv忘记;
旗杆
forgets
forgot
forgetting
forgotten
cutv;
切砍
cuts
cut
cutting
killv杀死;
弄死
kills
killed
killing
Unit6I’mwatchingTV
usev使用;
运用
uses
used
using
washv洗
washes
washed
washing
drinkv喝n饮料
drinks
drank
drinking
drunk
shopv购物
shops
shopped
shopping
miss怀念.思念
misses
missed
missing
wishv希望
wishes(多做名词复数)
wished
wishing
rain下雨;
雨水
rains
rained
raining
Unit7It'
sraining!
snow下雪
snows
-----
snowing
----
cook做饭
cooks
cooked
cooking
visit拜访;
参观
visits
visited
visiting
sit坐
sits
sat
sitting
skate滑冰
skates
skated
skating
Unit8Isthereapostofficenearhere?
pay付费
pays
paid
paying
turn转向
turns
turned
turning
spend花(时间、钱等)
spends
spent
spending
climb爬
climbs
climbed
climbing
enjoy享受;
喜爱
enjoys
enjoyed
enjoying
Unit9Whatdoeshelooklike?
put放
puts
put
putting
describe描述
describe
described
describing
Unit10I'
dlikesomenoodles.
order点菜;
命令
orders
ordered
ordering
answer答案;
回答
answers
answered
answering
blow吹
blows
blew
blowing
blown
Unit11Howwasyourschooltrip?
feed喂养;
饲养
feeds
fed
feeding
grow种植;
生长;
发育
grows
grew
growing
grown
pick采;
摘
picks
picked
picking
worry担心;
担忧
worries
worried(多做形容词)
worrying
Unit12Whatdidyoudolastweekend?
camp扎营
camps
camped
camping
stay停留
stays
stayed
staying
stamped
shout呼叫,喊叫
shouts
shouted
shouting
fly飞
flies
flew
flying
flown
move移动
moves
moved
moving
jump跳跃
jumps
jumped
jumping
start开始,着手
starts
started
starting
wake弄醒,醒
wakes
woke
waking
woken