一、规则动词的过去式由“动词原形+-ed”构成，具体变化有：
1. 直接在词尾加-ed。如:
clean—cleaned ，need—needed, stay—stayed
want—wanted, work—worked,
2. 以不发音的e结尾的在词尾加-d。
如：live—lived, like—liked, move—moved ， use—used,
3. 以一个元音字母加一个辅音字母结尾的重读闭音节动词，先双写结尾的辅音字母，再加-ed。
如：prefer–preferred ,occur – occurred
stop—stopped, trap—trapped，
plan— planned， admit –admitted ，
4. 以辅音字母加y结尾的动词，先把y变成i，再加-ed。
如：copy – copied ，carry—carried ，study—studied, , hurry—hurried, marry—married
二、不规则动词变化，大体上归纳如下：
1. 某些以t结尾的词，过去式与原形相同。
如： cut-cut-cut let-let-let hit-hit-hit put-put-put cost-cost-cost hurt-hurt-hurt
2. 以end结尾的词，把d变成t。如:bend—bent—bent, lend—lent—lent, send—sent—sent, spend—spent- spent
3. 某些以n结尾的词，在词后加t。如：mean—meant, burn—burnt, learn—learnt
4. eep结尾的去掉一个e在词尾加t,
如：keep—kept – kept , sleep—slept- slept, sweep – swept – swept; feel—felt – felt
5. eed或eet结尾的去掉一个e
bleed – bled – bled 流血，feed – fed – fed 喂 meet – met – met 见 speed—sped–sped
6. 单词中有a 则aught,无a则ought：
teach – taught – taught ; catch – caught – caught 口诀记忆：教书被抓
think – thought ；bring – brought – brought , buy—bought ； fight – fought 口诀记忆：想带来买（个）打架
A——B——C型
（1）其元音字母变化为i→a→u
1.drink drank drunk （喝） 2. begin began begun （开始）
3.swim swam swum （游泳）4. ring rang rung （铃响）
（2）其元音字母变为i→o→变为en结尾 口诀：升起驾驶骑车写字
1.rise rose risen （升）2. drive drove driven （驾驶）
3.ride(骑)—rode—ridden, 4. write(写)—wrote—written
（3）把中间的元音字母都变为o→变为en结尾 口诀：偷盗醒来结冰打破选择说忘记
break（打破）—broke—broken, choose（选择）—chose—chosen, freeze（结冰）—froze—frozen,
speak(说)—spoke—spoken, forget(忘记)—forgot—forgotten,
steal（偷盗）—stole—stolen, wake(醒来)—woke—woken
（3）其词尾变化为ow(aw)→ew→own(awn) 口诀： 长大后画画知道扔吹飞
1.grow grew grown （成长）2. draw drew drawn （拖；拉）
2.knowknewknown （知道） 4. throw threw thrown （扔）
blow(刮风)—blew—blown, throw（投）—threw—thrown, fly(飞)—flew—flown。
过去式在元音字母上变化，而过去分词在原形的基础上加n
eat—ate– eaten ; give –gave –given; forbid –forbade—forbidden;
see—saw– seen; shake—shook–shaken take– took–taken
口诀：规则的撒谎，不规则的躺，躺过就下蛋，下蛋不规则。（3个单词）
lie (撒谎、说谎)—lied —lied ；lie（躺/平放/位于）—lay—lain ；lay (放置，产卵，下蛋)—laid —laid
一、将下列动词变成过去式。
look_______ watch_______ like______ hope______ decide______ plan______ stop_______
carry______ study______ play______ stay______ let______ put_______ read_______
catch _____ teach_____ buy______ bring______ think ______ sit_____ write______
drive_______ ring______ sink____run______ give_______ win _______ know ______
grow______ throw_______ draw _____ show_____ feel______ sleep_______ keep_____
sweep_____ meet_______
一般过去时的练习 I.用所给的动词的适当形式填空。
⒈He _____(visit) the Great Wall last year.
2.We________(have) a good time yesterday.
3.We often _______(go) to school by bus last year.
4.I ________(live)in the village when I was a child.
5.Mike______(see) a big tiger in the nature park last year.
6.Sam_____ (do) the housework yesterday.
7.______(do) you _______(enjoy) yourself yesterday?
8.______(do)you _________(play) the violin in the artroom yesterday? No, I didn't. I_____(draw)some pictures there.
9. I ______ (eat) a big pizza yesterday.
10.There____ (be) many sheep on the farm last year.
11.I ______ (watch) a cartoon on Saturday.
12.Her father _______ (read) a newspaper last night.
13.We _________ to zoo yesterday, we _____ to the park. (go)
14.______ you _______ (visit) your relatives last Spring Festival?
15.______ he _______ (fly) a kite on Sunday? Yes, he ______.
