动词过去式变化规则及其练习(含答案)演示教学

动词过去式变化规则及其练习(含答案)
动词过去式变化规则及其读音规则
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）
Was
was.
Did have
did n’t
Did buy No,I didn’t Were
No,there weren’t. Was
No,there wasn’t.
Father didn’t leave home an hour
Did father leave home an hour ago
Last night my sister and I didn’t go
Did your sister and you go to cinem bought
My mother didn’t buy me a new dress yesterday.
Did your mother buy you a new dress yesterday?
sent
Dick didn’t send me an e-mail last night.
Did Dick send you an e-mail last night?
caught
The fisherman didn’t catch many fish last week.
Did the fisherman catch many fish last week?
heard
We didn’t hear about the news this morning.
Did you hear about the news this morning?
She got the money from the bank.
She bought some food and drink.
Yes,she was tired at the end of the da
Yes,she had to get up early last Wednesday.
Yes,had to visit Linda’s grandmother.
No,she didn’t had to water the plant.。