第1个回答 2020-03-15
你问的是词形变化吗?
一般地,就和过去式的规则一样加-ed.
但有很多常用词的变化是不规则的.
有人总结过里面不规则中的规则:
一、A—A—A型,即原形、过去式和过去分词三者都相同。(共9个)
cost—cost—cost
cut—cut—cut
hit—hit—hit
hurt—hurt—hurt
let—let—
let
put—put—put
read—read—read
set—set—set
shut—shut—shut
二、A—B—B型,即过去式、过去分词相同。(共41个)
1过去式和过去分词都含有
-ought。(3个)
bring—brought—brought
buy—
bought—bought
think—thought—
thought
2词尾有-ild,-end时,只需把d变为t。(4个)
build—built—built
lend—lent—
lent
send—sent—sent
spend—spent—
spent
3.过去式、过去分词都含有
-aught。(2个)
catch—caught—caught
teach—taught—taught
4.把-eep变为-ept。(3个)
keep—kept—kept
sleep—slept—slept
sweep—
swept—swept
5把-ell变为-old。(2个)
tell—told—told
sell—sold—sold
6.过去式、过去分词都含有-elt或-ilt。(4个)
smell—smelt—smelt
spell—spelt—spelt
feel—felt—
felt
spill—spilt—spilt
7.过去式、过去分词都在原形词尾加t。(3个)
learn—learnt—learnt
mean—meant—meant
spoil—spoilt—spoilt
8.过去式、过去分词词尾是d。(4个)
say—said—said
pay—paid—paid
lay—laid—laid
hear—heard—heard
9.改变元音字母。(11个)
meet—met—met
get—got—got
sit—sat—sat
find—
found—found
hold—held—held
spit—spat—spat
shine—
shone—shone
win—won—won
hang—hung—hung
dig—
dug—dug
lose—lost—lost
10.改变辅音字母。(1个)
make—made—made
11改变元、辅音字母。(4个)
leave—left—left
stand—stood—stood
have(has)—
had—had
understand—understood—understood
三、A—B—C型,即原形、过去式、过去分词都不相同。(共35个)
1i—a—u变化。(6个)
begin—began—begun
drink—drank—drunk
sing—
sang—sung
ring—rang—rung
swim—swam—swum
sink—
sank—sunk
2词尾为-ow,-aw时,过去式将其变为-ew,过去分词在其原形后加n。(5个)
blow—blew—blown
draw—drew—drawn
grow—
grew—grown
know—knew—known
throw—threw—thrown(show除外)
3词尾为“i+辅(1个)+e”,过去式将i变为o,过去分词多在原形后加n,若那个辅音字母为d或t,须双写d或t后加n。(4个)(give,hide除外)
drive—drove—driven
write—wrote—written
ride—
rode—ridden
rise—rose—risen
4过去分词在过去式后加(e)n。(5个)
break—broke—broken
choose—chose—chosen
freeze—froze—frozen
speak—spoke—spoken
wake—woke—
woken
5过去分词由过去式加-ten构成。(1个)
forget—forgot—forgotten
6过去分词由原形加(e)n构成。(6个)
be—was(were)—been
eat—ate—eaten
fall—fell—fallen
give—gave—given
see—saw—seen
hide—hid—hidden(hid)
7词尾为-ake时,过去式将其变为-ook,过去分词在原形词后加-n。(2个)
take—took—taken
mistake—mistook—mistaken
8原形、过去式和过去分词都不相同。(6个)
do—did—done
fly—flew—flown
go—went—gone
lie—lay—lain
show—showed—shown
wear—wore—worn
四、A—A—B型,即过去式和原形相同。(1个)
beat—beat—beaten
五、A—B—A型,即过去分词和原形相同。(3个)
come—came—come
become—became—become
run—
ran—run
六、情态动词型,只有原形和过去式,没有过去分词。(4个)
can—could
may—might
will—would
shall—should
第2个回答 2020-03-24
(1)过去分词作状语:同动词-ing形式作状语一样,过去分词的逻辑主语是句子的主语,如是被动关系,又与谓语动词同时发生,或无一定时间对比,用过去分词,如:
Seen
from
the
top
of
the
mountain,
the
lake
looks
like
a
mirror.
(相当于The
lake
is
seen)
相当于When
the
lake
is
seen
from
the
top
of
the
mountain
it
looks
like
a
mirror.
Heated,
water
can
turn
into
vapor.
相当于If
it
is
heated,
water
can
turn
into
vapor.
(2)过去分词作表语:
We
are
interested
in
science.
(3)过去分词作定语:过去分词作定语,有时间要求,发生在谓语动词之前,即完成的动作,用done,而不用having
been
done.
The
bridge
built
last
year
is
2
kilometers
long.
People
invited
to
the
party
are
most
scientists.
(4)过去分词作宾补:
I
noticed
the
car
repaired.
第3个回答 2020-03-18
baby-sit临时照顾
baby-sat
baby-sat
be(am/is/are)是
was/were
been
beat
击打
beat
beaten
become
变成
became
become
begin
开始
began
begun
bend
使弯曲
bent
bent
bet
赌
bet
bet
第4个回答 2020-06-23
比如from,the