2.把重讀開音節(jié)中的i改為o，變成過去式。如：

　　drive—drove，ride—rode，write—wrote

　　3.改動詞原形中的aw /ow為ew，變成過去式。如：

　　draw—drew，grow—grew，know—knew，throw—threw(動詞show除外，show—showed) 4.動詞原形中的e改為o，變成過去式。如：

　　get—got，forget—forgot

　　5.動詞原形中的ee改為e，變成過去式。如：

　　feed—fed，meet—met

　　6.動詞原形中的eep改為ept，變成過去式。如：

　　keep—kept，sleep—slept，sweep—swept

　　7.動詞原形中的eak改為oke，變成過去式。如：

　　break—broke，speak—spoke

　　8.動詞原形中的ell改為old，變成過去式。如：

　　sell—sold，tell—told

　　9.動詞原形中的an改為oo，變成過去式。如：

　　stand—stood，understand—understood

　　10.以ought和aught結尾，且讀音是〔 :t〕的過去式。如：

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

　　11.以ould結尾且讀音為〔ud〕的情態(tài)動詞過去式。如：

　　can—could，shall—should，will—would

　　12.把動詞原形中的o改為a，變成過去式。如：

　　come—came，become—became

　　13.在動詞原形后加d或t變成過去式，并且發(fā)生音變。如：

　　hear〔hi 〕—heard〔h :d〕， say〔sei〕—said〔sed〕，mean〔mi:n〕—meant〔ment〕

　　14.動詞的過去式與動詞原形一樣。如：

　　let—let，must—must，put—put，read—read〔red〕

　　15.不符合上述規(guī)律的動詞過去式。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

　　過去式“-ed”的發(fā)音規(guī)則

　　(1)動詞詞尾為“t，d”時，發(fā)/ id /音，

　　want →wanted (要)need →needed (需要)

　　(2)動詞詞尾為清輔音時，發(fā)/ t / 音。

　　help →helped (幫助)laugh →laughed (笑)look →looked (看)

　　kiss →kissed (吻)wash →washed (洗) watch →watched (注視)

　　(3)動詞詞尾為t，d以外之濁輔音或元音時，發(fā)/ d /音。

　　call →called (叫)stay→stayed (停留)cry→cried (哭)

　　練習

　　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、一般將來時

　　1、概念：表示將要發(fā)生的動作或存在的狀態(tài)及打算、計劃或準備做某事。

　　句中一般有以下時間狀語：

　　tomorrow, next day(week, month, year…),soon,

　　the day after tomorrow(后天)等。

　　2、基本結構：①be going to + do; ②will+ do.

　　3、否定句：在be動詞(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、一般疑問句： be或will提到句首，some改為any, and改為or，

　　第一二人稱互換。

　　例如：We are going to go on an outing this weekend.

　　→ Are you going to go on an outing this weekend?

　　5、對劃線部分提問。一般情況，一般將來時的對劃線部分有三種情

　　況。

　　(1.) 問人。Who

　　例如：I’m going to New York soon.

　　→Who’s going to New York soon.

　　(2.) 問干什么。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.) 問什么時候。When.

　　例如：She’s going to go to bed at nine.

　　→When is she going to bed?