估计的意思-limited是什么意思中文翻译

Ⅰ一般过去时的概念
一般过去时表示过去某个时间发生的动作或存在的状态。常和表示
过去的时间状语连用。如:
last year, last week, last night,
yesterday等;
例如:
①I saw him in the street
yesterday. 昨天我在街上看见他了。
②Li Mei always went to
school on foot last year. 去年李梅总是步行上学。
II.
一般过去时的构成
动词过去式的构成:
(1)规则动词过去式的构成有四条规则:
1.一般情况下,给动词末尾直接加-ed。
look→looked
play→played start→started visit→visited
p
ull-pulled, cook-cooked
2.以不发音e结尾的动词,在词尾直接加-d。 live→lived use→used
taste-tasted
3.
以“辅音字母+ y”结尾的动词,先将 y 改为i
,再加
–ed。 study→studied try→tried
fly→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→stopped
plan→planned stop-stopped prefer→preferred
5.不规则动词的过去式需特殊记忆。 如:am(is)-was, are-were(是),
become _became (成
为) go-went(走), (买) buy
--bought, sell--sold(卖)come-came(来), take-took(拿),
have (has)-had(有), begin(开始)--began,
bring(拿来)--brought, can(能)--could,
catch
(捉住)--caught, cut(砍,割)--cut,
dodoes(做,干)--did, draw(画画,拉)--drew,
drink
(喝)--drank, drive(驾驶)--drove,
eat(吃)--ate, fall(跌倒,落下)--fell,
feel(感
觉)--felt, fly(飞)--flew, get(获得)--got,
give(给)---gave, grow(生长)--grew,
keep
(保持)--kept, know(知道,认识)--knew,
learn(学习)--learnt, leave (离开)--left,
let
(让)--let, lie(躺,平放)--lay,
make(使得,做)--made, may(可以)--might,
must
(必须)--must, read(读)--read, ride
(骑)--rode, ring (鸣铃)--rang, run(跑)--ran, say
说)--said, see (看见)--saw, sell (卖)--sold,
send(送)--sent, set (放)--set,
sing
(唱歌)--sang, sit (坐)--sat, sleep
(睡觉)--slept, speak(说话)--spoke, spend
(花
费)--spent, stand (站立)--stood, swim
(游泳)--swam, teach(教)--taught, tell
(告诉)
--told, think(认为)--thought,
throw(投掷)--threw, understand(懂得)--understood,
wear
(穿)--wore, will(将要)--would,
win(获胜)--won, (弯曲) bend --bent, blow
--blew(吹),
选择 choose chose ,
III.
一般过去时的几种句型
肯定句结构为:主语+动词的过去式+其它。如:He went to
the toy store yesterday. 他昨天去
玩具店了。
否定句结构为:主语+did not (didn't)+动词原形+其它。如:He didn't
go to the toy store yesterday.
他昨天没去玩具店。
一般过去时的一般疑问句的构成:
Did+主语+动词原形+其它?如:
1)
-Did you go to Beijing last week?
-Yes, we
did. (No, we didn't.)
2) -Did you meet the
businessman before?
-No, I didn't.
(Yes, I did.)
一般过去时的特殊疑问句的构成:
疑问词+did+主语+动词原形+其它?如:
1) -What did you do
last night?
-I did my homework.
2) -Where
did you go last week?
-I went to Shanghai with
my parents.
一般过去时口诀
一般过去时并不难,表示过去动作、状态记心间。
动词要用过去式,时间状语句末站。
否定句很简单,didn't
站在动词原形前,其它部分不要变。
一般疑问句也好变,did放在句子前,主语、动词原形、其它部分依次站。
特殊疑问句也简单,疑问词加一般疑问句记心间。
最后一条请注意,动词过去式要牢记。
小朋友们口诀记,学会一般过去时没问题。
小学阶段要掌握的几个动词的过去式:
watched TV, washed clothes, played football,
cleaned the room, visited grandparents, went to a
park, went swimming, read a book, went
fishing, went hiking, learned Chinese, sang and
danced,
took pictures, climbed a mountain, ate
good food, bought presents, rowed a boat, saw
elephants,
went skiing, went ice-skating.
同学们,关于一般过去时我们就简单地学这些,你们都掌握了吗?加油呀!一
一般过去时的练习
I.用所给的动词的适当形式填空。
⒈He _____(visit) the Great Wall last year.
________(have) a good time yesterday.
often _______(go) to school by bus last year.
4.I ________(live)in the village when I was a
child.
______(see) a big tiger in the nature
park last year.
_____ (do) the housework
yesterday.
7.______(do) you _______(enjoy)
yourself yesterday?
8.______(do)you
_________(play) the violin in the artroom
yesterday?
No, I didn't. I_____(draw)some
pictures there.
9.. I ______ (eat) a big pizza
yesterday.
____ (be) many sheep on the farm
last year.
11. I ______ (watch) a cartoon on
Saturday.
12. Her father _______ (read) a
newspaper last night.
13. We _________ to zoo
yesterday, we _____ to the park. (go)
14.
______ you _______ (visit) your relatives last
Spring Festival?
15. ______ he _______ (fly) a
kite on Sunday? Yes, he ______.
II.选择填空
(
) 1. She watered the flowers ________.
A tomorrow B sometimes C yesterday morning
( ) ____ Mike do last weekend ? A do
B does C did
( ) 3. I ___ my room
last Sunday. A cleaned B clean C am
cleaning
( ) 4. I often help my mother
_____ housework.
A does B
did C do
( ) 5. _____
you _____ TV last night .
A Do,
watch B Did, watch C Did, watched
(
) 6.---Did your father write an e-mail yesterday
?
A Yes, he did. B Yes, he does
C No, he don’t
( ) _____ on a trip in
February ,2007.
A are going B
going C went
( ) ’re going to _____
mountains tomorrow .
A climb
B climbed C climbing
( ) 9. ____ he
____ football two days ago?
A Does ,
play B Did , played C Did , play
( )
10.----Good afternoon, Miss Lee. How does Mike
feel?
-----He’s tired . He ____ a lot
of work ______ .
A does , this
morning B do , this morning C did , this morning
III.连词成句。
1. did, what, you, yesterday,
do. _______________________________________
2.
watch, John, did, TV, weekend, last.
_______________________________________
3.
went, I ,to, by, park, a, bike
_______________________________________
4.
jumped, the, into, lake, he, and, the, to, swam,
kite.
_______________________________________
________________________________
系船柱-breakfast怎么读
住口的拼音-带花的四字词语
payment是什么意思中文翻译-his的名词性物主代词
eise-pearlfisher
天平教务系统登陆-strength什么意思中文
静的词语-pretty什么意思
公考哪家培训机构好-leap什么意思
ads-瓷漆的拼音
-
上一篇:一般过去时用法及结构
下一篇:一般过去时总结