初中英语如何把动词变成一般现在时和过去时的公式。 初一英语所有动词的三种时态(一般现在时,一般过去时,一般将来...

\u82f1\u8bed:\u5e2e\u6211\u5199\u51fa\u4e00\u822c\u73b0\u5728\u65f6\u548c\u4e00\u822c\u8fc7\u53bb\u65f6\u7684\u516c\u5f0f

\u4e00\u822c\u73b0\u5728\u65f6\u7684\u5b9a\u4e49\uff1a1.\u8868\u793a\u76ee\u524d\u7684\u72b6\u6001
2.\u8868\u793a\u7ecf\u5e38\u6027\u6216\u4e60\u60ef\u6027\u53d1\u751f\u7684\u52a8\u4f5c

\u80af\u5b9a\u53e5\uff1a\u4e3b\u8bed+be\u52a8\u8bcd\uff08\u7cfb\u52a8\u8bcd)+\u8868\u8bed\uff08\u5f62\u5bb9\u8bcd\u3001\u526f\u8bcd\u3001\u540d\u8bcd\u3001\u4ecb\u8bcd\u77ed\u8bed\uff09

\u5426\u5b9a\u53e5\uff1a\u4e3b\u8bed+be\u52a8\u8bcd\uff08am\is\are)+not+\u8868\u8bed

\u4e00\u822c\u7591\u95ee\u53e5\uff1aBe(am\is\are)+\u4e3b\u8bed+\u8868\u8bed+?(\u95ee\u53f7)
\u80af\u5b9a\u56de\u7b54;Yes,\u4e3b\u8bed+be(\u52a9\u52a8\u8bcd\\u60c5\u6001\u52a8\u8bcd)
\u5426\u5b9a\u56de\u7b54:No,\u4e3b\u8bed+be(\u52a9\u52a8\u8bcd\\u60c5\u6001\u52a8\u8bcd)+not.

\u7279\u6b8a\u7591\u95ee\u53e5:\u7279\u6b8a\u7591\u95ee\u8bcd+be\u52a8\u8bcd(\u52a9\u52a8\u8bcd\\u60c5\u6001\u52a8\u8bcd)+\u4e3b\u8bed+\u5176\u4ed6+?(\u95ee\u53f7)


\u4e00\u822c\u8fc7\u53bb\u65f6:
\u5b9a\u4e49:\u8868\u793a\u8fc7\u53bb\u7684\u67d0\u4e2a\u65f6\u95f4\u53d1\u751f\u7684\u52a8\u4f5c\u6216\u5b58\u5728\u7684\u72b6\u6001

\u80af\u5b9a\u53e5:\u4e3b\u8bed+\u7cfb\u52a8\u8bcd(was\were)+\u8868\u8bed

\u5426\u5b9a\u53e5:\u4e3b\u8bed+\u7cfb\u52a8\u8bcd(was\were)+not+\u8868\u8bed

\u7591\u95ee\u53e5:\u7cfb\u52a8\u8bcd(was\were)+\u4e3b\u8bed+\u8868\u8bed+?(\u95ee\u53f7)
\u80af\u5b9a\u56de\u7b54;Yes,\u4e3b\u8bed+\u7cfb\u52a8\u8bcd(was\were).
\u5426\u5b9a\u56de\u7b54:No,\u4e3b\u8bed+\u7cfb\u52a8\u8bcd(was\were)+not.

\u7279\u6b8a\u7591\u95ee\u53e5:\u7279\u6b8a\u7591\u95ee\u8bcd+be\u52a8\u8bcd(was\were)+\u4e3b\u8bed+\u5176\u4ed6+?(\u95ee\u53f7)

I went to school yesterday
I go to school today
I will go to school tomarow

1、一般情况下,动词词尾加 -ed ,如:
work ---worked play---played wanted----wanted act----acted
2、以不发音的 -e 结尾动词,动词词尾加 -d,如:
live---lived move----moved taste---tasted hope---hoped
3、以辅音字母 + y结尾的动词,把-y变为-i 再加-ed,如:
study---studied copy---copied cry---cried carry---carried
4、以一个辅音字母结尾的重读闭音节动词,双写词尾辅音字母,再加 -ed,如:
stop ---stopped
5、不规则动词的过去式变化规律性不强,须多加记忆。
go – went make – made get – got buy - bought come - came fly-flew
不规则动词的过去式的构成
1.把动词原形中的i改为a,变成过去式。如:
begin—began,drink—drank,give—gave,ring—rang,sing—sang,sit—sat,swim—swam
2.把重读开音节中的i改为o,变成过去式。如:
drive—drove,ride—rode,write—wrote
3.改动词原形中的aw /ow为ew,变成过去式。如:
draw—drew,grow—grew,know—knew,throw—threw(动词show除外,show—showed)
4.动词原形中的e改为o,变成过去式。如:
get—got,forget—forgot
5.动词原形中的ee改为e,变成过去式。如:
feed—fed,meet—met
6.动词原形中的eep改为ept,变成过去式。如:
keep—kept,sleep—slept,sweep—swept
7.动词原形中的eak改为oke,变成过去式。如:
break—broke,speak—spoke
8.动词原形中的ell改为old,变成过去式。如:
sell—sold,tell—told
9.动词原形中的an改为oo,变成过去式。如:
stand—stood,understand—understood
10.以ought和aught结尾,且读音是〔 :t〕的过去式。如:
bring—brought,buy— bought,think—thought,catch—caught,teach—taught
11.以ould结尾且读音为〔ud〕的情态动词过去式。如:
can—could,shall—should,will—would
12.把动词原形中的o改为a,变成过去式。如:
come—came,become—became
13.在动词原形后加d或t变成过去式,并且发生音变。如:
hear〔hi 〕—heard〔h :d〕, say〔sei〕—said〔sed〕,mean〔mi:n〕—meant〔ment〕
14.动词的过去式与动词原形一样。如:
let—let,must—must,put—put,read—read〔red〕
15.不符合上述规律的动词过去式。如:
am,is—was,are—were,build—built,do—did,eat—ate,fall—fell,feel—felt,find—found,fly—flew,go—went,have /has— had,hold—held,leave—left,make—made,may—might,run—ran,see—saw,take—took
过去式“-ed”的发音规则
(1)动词词尾为“t,d”时,发/ id /音,
want →wanted (要)need →needed (需要)
(2)动词词尾为清辅音时,发/ t / 音。
help →helped (帮助)laugh →laughed (笑)look →looked (看)
kiss →kissed (吻)wash →washed (洗) watch →watched (注视)
(3)动词词尾为t,d以外之浊辅音或元音时,发/ d /音。
call →called (叫)stay→stayed (停留)cry→cried (哭)

一般现在时:表示经常性的事情,经常性的动作或一般性事实。

时间状语:
often 经常,
usually通常,
always 总是,
every每个,
sometimes 有时,at „在几点钟

只有在第三人称单数用动词的“三单变化”,其他用动词的原形。

三单变化:
1.
多数在动词后+
s play — plays like —likes

(1)直接在动词词尾加-s.

ask---asks work---works get---gets stay---stays

(2)以字母s, x, ch, sh或o结尾的动词,在词尾直接加-es.

watch---watches wish---wishes fix---fixes do---does

go---goes pass---passes

(3)以“辅音字母加 - y”结尾的动词,要先变y为i再加-es.
try---tries study---studies cry---cries fly---flies

2.
不规则变化:

be---- is are have----has
动词过去式的构成规律

(

)
规则动词的过去式

1.
一般情况下,在动词原形后面加
-ed


look→looked

play→played

start→started

visit→visited

2.
以不发音e结尾的动词,在词尾直接加-d。

live→lived

use→used

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, prefer→preferred

(二)
不规则动词的过去式

1.
改变动词中的元音

begin→began

drink→drank

come→came

eat→ate grow→grew

run→ran

know→knew

win→won

speak→spoke

take→took

write→wrote

get→got

2.
变词尾的–d 为–t
build→built

lend→lent

send→sent

spend→spent

bend→bent

3.
与动词原形一样

cut→
cut
put→put

cost→cost

hurt→hurt

shut→shut

4.
变-ay 为-aid (少数动词)
say→said

pay→paid

lay→laid

5.
采用不同词根
:
sell→sold

teach→taught

buy→bought

6.
其他

am/is→was

动词一般现在时即为动词本身,根据主语要不要加s,es,还有变y为i加es之类的;
现在进行时在动词后面加ing,或者去e加ing之类;
过去时动词后面一般加ed,以e结尾的直接加d,还有一些特殊的需要死记硬背

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