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)
练习
1.The teacher____the blackboard yestetday.He used a computer.
a.used not b.didn't use c.does not use
2.___you___in the library this morning?
a.DO,studied b.Did,studied c.Did,study
3.The students___to have a party.They did it last week.
a.planed b.planned c.plan
4.Lily___to the beach with prof .Green .They had a swim there.
a.goed b.goes c.went
5.Prof .Green___sick yesterday,He ___a fever .New he still feels weak.
a.is,has b.was,have c.was,had
6.___the teacher___at this college last year ?Yes,he did.
a.Did,taught b.does,teach c.Did,teach
7.We___in the sea.Thewater was too cold.
a.swam not b.didn't swim c.didn't swam
8.___there many trees on the campus?No,but now we have many everywhere.
a.Were b.Had c.Did have
9.I like English food now.But I___it very much.
a.didn't liked b.didn't like c.don't like
10.Did you___the picnic yesterday ?Yes,we__it very much.
a.enjoy,enjoy b.enjoyed,enjpyed c.enjoy,enjoyed
三、一般将来时
1、概念:表示将要发生的动作或存在的状态及打算、计划或准备做某事。
句中一般有以下时间状语:
tomorrow, next day(week, month, year…),soon,
the day after tomorrow(后天)等。
2、基本结构:①be going to + do; ②will+ do.
3、否定句:在be动词(am, is, are)后加not或will后加not成
won’t。
例如:I’m going to have a picnic this afternoon.
→ I’m not going to have a picnic this afternoon.
4、一般疑问句: be或will提到句首,some改为any, and改为or,
第一二人称互换。
例如:We are going to go on an outing this weekend.
→ Are you going to go on an outing this weekend?
5、对划线部分提问。一般情况,一般将来时的对划线部分有三种情
况。
(1.) 问人。Who
例如:I’m going to New York soon.
→Who’s going to New York soon.
(2.) 问干什么。What … do.
例如: My father is going to watch a race with me this afternoon. →What is your father going to do with you this afternoon.
(3.) 问什么时候。When.
例如:She’s going to go to bed at nine.
→When is she going to bed?