小学英语四大时态结构讲解

玛丽莲梦兔
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2021年01月21日 12:38
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写秋天的诗-

2021年1月21日发(作者:冷谦)
.
一般过去时

一般过去时的陈述句:主语
+
动词过去式
+
宾语














+didn't
+




+





+
was/were not +
宾语


一般过去时的一般疑问句:
Did +
主语
+
动词原形
+
宾语?
was/were
+
主语
+
宾语?



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:
yesterday, last night, in 1999, two weeks
ago
等。



②表示过去经常或反复发生的动作,常和
often,
always
等表
示频度的副词连用。



③规则动词过去式的构成如下:



1
)在动词原形末尾
+ed: look

looked, play

played


2
)结尾是
e
的动词
+d: live

lived, hope

hoped

< br>3
)结尾是“元音字母
+
辅音字母”的重读音节词,先双写这个辅
音字 母,再
+ed: stop

stopped, trip

tripped


4
)结尾是“辅音字母< br>+y
”的动词,先变
y

i
,再
+ed:
study

studied, carry

carried


④不规则动词要逐一记忆,可参考不规则动词表。

一般过去时 的特殊疑问句
:
:特殊疑问词
+
一般过去时的一般疑问句



一般过去时态
:

1


表示过去已经发生的事情
,
通常用


last
week,

just
now,
yesterday

等词。


2


be
动词的过去式
:
am/is

wa
.
.
s


are

were
I/He/she/it
was(not)

.


You/we/they
were

.

般疑问句
was,
were
放在句首。




3

过去式基本结构



肯定句

Positive


动词过去式

I
went
shopping
last
night.


否定句
(N
egative)
Didn

t
+
动词原形

I
didn

t
go
shopping
last
night.
一般
疑问句
(Yes/No)
Did

+
动词原形

?
Did
you
go
shopping
last

night?
特殊疑问句
(wh-)
What
did

+
动词原形

?
What
did
yo
u
do
last
night?
(4)
动词过去式的变化:

规则动词的变化:

一般
动词


+ed
planted,watered,climbed
以不发音的
e




+d
liked
辅音字母加
y
结尾

-y+
ied
study

studied,

cry-
cried
重读闭音节单词,
末尾只有一个辅音字母

双写最后一个
字母
+ed
stop

stopped
plan
-
planned
不规则动词的变化:

原形

过去式

原形

过去式

原形

过去式

原形

过去式

sweep
swept
te
ach
taught
have
had
go
went
keep
kept
think
thought
do
did
find
found
sleep
slept
buy
bought
eat
ate
say
said
feel
felt
dri
nk
drank
is/am
was
take
took
read
read
give
gave
are
were
mean
meant
put
put
sing
sang
drive
drove
meet
met
cut
cut
begin
began
speak
spoke
make
made
let
let
ring
rang
write
w
rote
see
saw
fly
flew
run
ran
ride
rode
come
came
draw
dre
w
sit
sat
hear
heard
tell
told
grow
grew
learn
learned/
learnt
get
got
know
knew

一般现在时

.
.
一般现在时的陈述句:主语
+
动词原形或单三形式动词(根据主语的变化而变化)
+
宾语


一般现在时的否定句:主语
+don't/doesn't
+
动词原形
+
宾语

主语
+
am/is/are +not +
宾语


一般现在时的一般疑问句:
Do/Does
+
主语
+
动词原形
+
宾语



Is
/
Are +
主语
+
宾语?

特殊疑问句:特殊疑问词
+
一般现在时的一般疑问句?


1

表示经常发生的动作或事情,
通常用


usually, often, every day,
sometimes

always,never

等词。


2

基本结构:

I / You / We / They
He / She / It


肯定句(
Positive



动词原形(
V


动词第三人称
单数形式(
V+S




否定句
(Negative)


don

t +
动词

doesn

t +

词原形

一般疑问句
(Yes/No)
Do


?
Yes,
I
do.
D oes

(
动词原

)

?No,she
doesn

t.
特殊疑问句
(wh-)
What
do

?
How
does
she

(




)

?
(3)











a.
Most
verbs


+s walk-walks b. Verbs ending in a consonant +y
-y +ies fly-flies c. Verbs ending in s, sh, ch or x +es watch-watches
d. Others do-does ,have-has, go-goes

①一般现在时主要强调事实、经常发生的动作或存在的状态。

②动词
be
除第一人称单数用
am
,第三人称单数用
is
外,其余一律

are


③动词
have
除第三人称单数用
has
外,其余一律用
have


④行为动词(实义动词)除第三人称单数外,其余一概与动词原形同
.

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