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动词的“三单”,ing,和过去式变化规则

发布时间:2020-03-02 18:35:59 来源:范文大全 收藏本文 下载本文 手机版

动词的第三人称单数的单数及发音规则:

1.一般直接在此为加-s,-s在清辅音后读/s/,在浊辅音或元音后读/z/, ds读/dz/, ts读/ts 如 help

helps/s/

know

knows/z/

get

gets/s/

read

reads/z/ 2.以字母s, x, ch, sh或有些以o 结尾的动词加-es,-es 读 /iz/, 如 gue

guees

fix

fixes

teach

teaches

wash

washes 注意:go

goes/z/

do

does /z/ 3.

辅音字母+y结尾的动词,先变y为i,再加-es,-ies读/iz/ carry

carries

fly

flies

注意:在play---plays,say----says中,字母y前为元音字母,第三人称单数形式直接在动词后加-s 4.特俗词例外

5.be动词的第三人称单数分别为am, is, are, have则为has 注意:以不发音字母“e”结尾的开音节词,如果尾音是/s/,/z/,加-s后,字母”e”发音,与所加-s一起读作/iz/,如 close

closes/iz/ 动词的ing变化规则:

1.一般情况直接加ing,如 look—looking

go---going visit---visiting 2.以不发音的e结尾的,去e再加ing,如 come---coming

make---making write---writing 3.以重读闭音节结尾并且只有一个辅音字母的,双写该辅音字母,再加ing,如 run---running

stop---stopping get---getting swim---swimming begin---beginning 4.以辅音字母加y结尾的,直接加ing,如

study---studying

carry---carrying

fly---flying cry---crying 5.以ie结尾的重度开音节动词,先变ie为y,再加ing,如 die---dying

tie---tying

lie---lying 动词的过去式变化规则:

1.规则变化

(1) 一般直接在动词后加ed,-ed在清辅音后读/t/, 在浊辅音及元音后读/d,/-ed在/t//d/后读/id/,如

call---called open---opened look---looked

want---wanted /id/ need---needed /id/ (2) 以不发音的“e”结尾的,直接加-d ,如

live---lived move---moved hope---hoped (3) 以辅音字母加y结尾的动词,先变y为i,再加-ed,(注意:如果是元音字母加y结尾的,还是直接加-ed,如,play---played, enjoy---enjoyed)如 study---studied cry---cried try---tried

(4) 以一个辅音字母结尾的重读闭音节动词,双写最后一个辅音字母,再加-ed,如

plan---planned fit---fitted stop---stopped

2.不规则变化(要特俗记忆),以下是一些常见的动词的过去式 am,is-was

are-were,

do-did,

see-saw,

say-said,

give-gave,

get-got, go-went

come-came

have/has-had eat-ate,

take-took

run-ran

put-put make-made

read-read

write-wrote

draw-drew drink-drank fly-flew

ride-rode speak-spoke sweep-swept

swim-swam

sit-sat

hear- heard sleep-slept

let-let blow-blew

hurt-hurt

speak-spoke

buy-bought keep-kept swim-swam

eat-ate catch-caught know-knew stand-stood

choose-chose lie-lay

leave-left draw-drew teach –taught drink-drank make- made tell-told

think-thought mean-meant

feel-felt

drive-drove meet-met

write –wrote

find-found fly-flew

forget -forgot ring -rang see -saw

ride-rode grow-grew

sing-sang/sung begin-began learn-learned/learnt

可数名词变复数的规则:

1.规则变化:

(1) 一般情况下,在词尾加-s, 如book---books

boy---boys (2) 以-s, -x,-ch, -sh结尾的名词,在词尾加-es,如bus---buses

watch---watches (3) 以辅音字母加y结尾的,变y为i,再加-es, 如city---cities

family---families (4) 以-f或-fe结尾的分两类,一类直接加-s,另一类大多数情况下,将-f或-fe改为v,再加-es,如,roof---roofs belief---beliefs leaf---leaves life---lives knife---knives 2.不规则变化

(1) 元音字母发生变化

man---men tooth---teeth goose---geese (2) 词尾变化

child---children mouse---mice (3) 单复数同形

sheep---sheep deer---deer fish---fish

另附清辅音与浊辅音:

清辅音:

[p]

[t]

[k]

[f]

[s]

[θ]

[∫]

[ts]

[t∫]

[tr]

[h]

浊辅音:[b] [d] [g] [v] [z] [δ] [з] [dz] [dз] [dr] [r]

音节分为开音节和闭音节,

3.开音节又分为相对开音节和绝对开音节

(1) 相对开音节:“以一个元音字母+一个辅音字母(r除外)+不发音的e”结尾的叫相对开音节。这里元音字母发自己本身的音。如,cake, grade, name, bike (2) 绝对开音节:以发音的元音字母结尾的叫绝对开音节。如,he, she,

me, no,go 2.闭音节:以“辅音字母+元音字母+辅音字母”结尾的叫闭音节,如,get,

put,pen, ten, let

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动词的“三单”,ing,和过去式变化规则
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