主语是第三人称单数形式时，动词的变化
1.一般在词尾加-s | get、make、cook、need |
2.以o、s、x、sh、ch结尾的动词，在词尾加-es | go、do、miss、pass、teach、watch、catch、match、touch、wash、fish、finish、smash、box、relax、mix、fax |
3.以“辅音字母+y”结尾的动词，把y改i再加es | fly、fry、try、cry、dry、carry、study、worry、embody体现具体表达、justify证明、empty、 |
4.以“元音字母+y”结尾的动词，直接加s | play、stay、buy、pray、pay、say、lay下蛋 |
5.不规则变化 | have-has、 |
动词的ing形式构成法
1.一般在词尾加-ing | do、meet、watch、wash、read |
2.以（不发音的）e结尾的词，去e加-ing | close、dance、live、like、love、bore、phone、ride、move、hope、decide、write |
3.以重读闭音节结尾的动词，呈现 “辅+元+辅”结构 需双写最后一个字母再加-ing | 1、一个m、两个d、两个g （swim / nod , rid / dig, beg） 2、三个n，四个p、11个t （run，win，begin） （dip，drop，mop，stop） （sit，hit，fit，set，get，let，put，cut，regret，forget，pat） |
4.以ie结尾的动词，把ie改为y再加-ing | lie-lying、die-dying |
动词的过去式的构成法
1.一般在词尾加-ed | watch、wash、open、play |
2.以（不发音的）e结尾的词，在词后直接加-d | close、dance、live、like、love、bore、phone、ride、move、hope、decide、write |
3.以“辅音字母+y”结尾的动词，把y改i再加ed | fly、fry、try、cry、dry、carry、study、worry、embody、justify、empty、 |
4.以重读闭音节结尾的动词，呈现“辅+元+辅”结构 需双写最后一个字母再加-ed | shop、stop、plan、trip、beg、hop、skip、drag、drop、dot、drip、fret、 |
5.不规则变化 | |
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]talk的过去式。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
10.lay—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
7、动词过去式与过去分词相同
bring ---brought ---brought buy ---bought --bought fight ---fought ---fought
think ---thought---thought catch ---caught ---caught teach ---taught ---taught
dig---dug---dug feed---fed----fed find---found---found
get----got---got hang----hung----hung hear—heard---heard
hold----held----held keep---kept----kept lay---laid---laid
lead---led---led leave---left----left lend---lent---lent
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