动词的不规则变化VIP免费

英语不规则动词的变化规律教学目的：时态是中学阶段的重点，也是难点，而与其息息相关的动词（尤其是不规则动词）的过去式、过去分词的变化散乱难记，令人头疼。可仔细琢磨就不难发现它们的变化有一定的规律可循。教学难点：不规则动词）的过去式、过去分词的变化教学方法：分组合作法教具：多媒体教学步骤：现将初中常见的93个不规则动词的变化规律归纳如下：一、A—A—A型，即原形、过去式和过去分词三者都相同。（共9个）cost—cost—costcut—cut—cuthit—hit—hithurt—hurt—hurtlet—let—letput—put—putread—read—readset—set—setshut—shut—shut二、A—B—B型，即过去式、过去分词相同。（共41个）1过去式和过去分词都含有-ought。（3个）bring—brought—broughtbuy—bought—boughtthink—thought—thought2词尾有-ild，-end时，只需把d变为t。（4个）build—built—builtlend—lent—lentsend—sent—sentspend—spent—spent3．过去式、过去分词都含有-aught。（2个）catch—caught—caughtteach—taught—taught4．把-eep变为-ept。（3个）keep—kept—keptsleep—slept—sleptsweep—swept—swept15把-ell变为-old。（2个）tell—told—toldsell—sold—sold6．过去式、过去分词都含有-elt或-ilt。（4个）smell—smelt—smeltspell—spelt—speltfeel—felt—feltspill—spilt—spilt7．过去式、过去分词都在原形词尾加t。（3个）learn—learnt—learntmean—meant—meantspoil—spoilt—spoilt8．过去式、过去分词词尾是d。（4个）say—said—saidpay—paid—paidlay—laid—laidhear—heard—heard9．改变元音字母。（11个）meet—met—metget—got—gotsit—sat—satfind—found—foundhold—held—heldspit—spat—spatshine—shone—shonewin—won—wonhang—hung—hungdig—dug—duglose—lost—lost10．改变辅音字母。（1个）make—made—made11改变元、辅音字母。（4个）leave—left—leftstand—stood—stoodhave（has）—had—hadunderstand—understood—understood三、A—B—C型，即原形、过去式、过去分词都不相同。（共35个）1i—a—u变化。（6个）2begin—began—begundrink—drank—drunksing—sang—sungring—rang—rungswim—swam—swumsink—sank—sunk2词尾为-ow，-aw时，过去式将其变为-ew，过去分词在其原形后加n。（5个）blow—blew—blowndraw—drew—drawngrow—grew—grownknow—knew—knownthrow—threw—thrown（show除外）3词尾为“i＋辅（1个）＋e”，过去式将i变为o，过去分词多在原形后加n，若那个辅音字母为d或t，须双写d或t后加n。（4个）（give，hide除外）drive—drove—drivenwrite—wrote—writtenride—rode—riddenrise—rose—risen4过去分词在过去式后加（e）n。（5个）break—broke—brokenchoose—chose—chosenfreeze—froze—frozenspeak—spoke—spokenwake—woke—woken5过去分词由过去式加-ten构成。（1个）forget—forgot—forgotten6过去分词由原形加（e）n构成。（6个）be—was（were）—beeneat—ate—eatenfall—fell—fallengive—gave—givensee—saw—seenhide—hid—hidden（hid）7词尾为-ake时，过去式将其变为-ook，过去分词在原形词后加-n。（2个）take—took—takenmistake—mistook—mistaken8原形、过去式和过去分词都不相同。（6个）3do—did—donefly—flew—flowngo—went—gonelie—lay—lainshow—showed—shownwear—wore—worn四、A—A—B型，即过去式和原形相同。（1个）beat—beat—beaten五、A—B—A型，即过去分词和原形相同。（3个）come—came—comebecome—became—becomerun—ran—run六、情态动词型，只有原形和过去式，没有过去分词。（4个）can—couldmay—mightwill—wouldshall—should文中6个动词的过去式和过去分词，还有一种规则变化形式。不规则动词相对于规则动词来说，难记得多，是最难对付的一类词。学生难学，老师难教。幸好它们不是杂乱无章的，可根据其中的一些内部规律来记忆。下面给大家介绍一种归纳记忆法，以期大家在攻克这一难关时，能收到事半功倍...