动词的三单形式、现在分词、过去式、过去分词的变化规律

规则动词词尾加-ed有三种读音：

1. 在清辅音后读作[t]。如：asked, helped, watched, stopped

2在浊辅音和元音后读作[d]。如：enjoyed, studied, moved, called

3. 在t / d后读作[id]。如：wanted, needed

不规则动词的过去式见课本后的不规则动词表。大体上归纳有以下几条记忆法：1. 以t结尾的词，过去式与原形相同。

如：put—put, let—let, cut—cut, beat—beat，cost—cost，hit—hit

2. 以d结尾的词，把d变成t。

如:build—built, lend—lent, send—sent, spend—spent （read—read）

3. 以n结尾的词，在词后加t。

如：mean—meant, burn—burnt, learn—learnt

4. 以ow / aw结尾的词，把ow / aw变成ew。

如：blow—blew, draw—drew, know—knew, grow—grew，throw—threw

5. 含有双写字母的词，将双写改为单写，在词尾加t。

如：keep—kept, sleep—slept, feel—felt, smell—smelt，sweep—swept

6.只去掉一个e：

feed—fed，meet—met

7. 闭音节词，改i为a。

如：sit—sat, swim—swam, ring—rang, drink—drank，sing—sang，begin—began，

8. 开音节词，改i为o。

如：drive—drove, ride—rode, write—wrote,

9.buy—bought, bring—brought, think—thought, catch—caught, teach—taught

y—laid, say—said, pay—paid母鸡“下蛋”并“摆放”好后，“说”，“付钱”

11.is/am—was, are—were, have/has—had, do—did, go—went, run—ran, see—saw, fly—flew, get—got, win—won, eat—ate, come—came, make—made, tell—told, take—took, fall—fell, speak—spoke, wear—wore, stand—stood, become—became, forget—forgot, hear—heard,

can—could, will—would, shall—should, find—found

不规则动词的过去分词变化形式

1、AAA动词原形，过去式，过去分词相同

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 spread--- spread--- spread

2、ABA动词原形与过去分词相同

become -----became ----- become come----came ----- come run---ran---run

3、动词过去分词有两个

burn ---burned/burnt---burned/burnt dream---dreamed/dreamt ---dreamed/dreamt learn ---learned/learnt ---learned/learnt smell ---smelled/smelt ---smelled/smelt

spell ---spelled/spelt ---spelled/spelt

4、在动词原形后加---en/n构成过去分词

be---was/were—been beat-----beat----beaten drive ---drove----driven

ride ---rode----ridden rise ---rose----risen eat----ate-----eaten

fall---fell---fallen give----gave ----given shake ----shook---shaken

see----saw---seen take---took---taken blow---blew---blown

draw---drew---drawn grow---grew---grown know---knew---known

show---showed---shown throw---threw---thrown write—wrote---written

5、动词原形i过去式a 过去分词u

begin ---began----begun sing ---sang ----sung ring ---rang---rung

swim ---swam ----swum drink ---drank----drunk

6、在过去式后加n构成过去分词

break---broke ---broken forget ---forgot---forgotten choose---chose---chosen freeze---froze----frozen hide---hid---hidden speak---spoke---spoken

steal---stole---stolen wake---woke---woken wear---wore---worn