1、 动词原形、过去式、过去分词A-A-A型（现在式、过去式和过去分词同形）动词原形（现在式） 过去式 过去分词cost cost costcut cut cut hurt hurt hurthit hit hitlet let letput put put read read read set set setspread spread spreadspit spit/spat spit/spat shut shut shut A-A-B型（现在式和过去式同形）动词原形（现在式） 过去式 过去分词beat beat beatenA-B-A型（现在式和过去分词同形）动词原形（现在式） 过去式 过去分
2、词come 来 came comebecome became becomerun ran runA -B -B型1.在动词原形后加一个辅音字母 d或 t构成过去式或过去分词动词原形（现在式） 过去式 过去分词burn burnt burntlearn learned/learnt learned/learntmean meant meanthear heard heard2.把动词原形的最后一个辅音字母“d”改为“t” 构成过去式或过去分词。动词原形（现在式） 过去式 过去分词build built builtlend lent lentlose lost lostsend sent sent
3、spend spent spent3.其他（A-B-B)pay paid paidlay laid laidsay said saidbring brought broughtbuy bought boughtthink thought thoughtsleep slept slept 3.其他(A-B-B)keep kept keptsweep swept swept stand stood stoodunderstand understood understoodwin won won shine shone/shined shone/shined catch caught caughtt
4、each taught taughtfeel felt felt fight fought foughtfind found foundget got gothang hanged/ hung hanged/ hunghave had hadhold held heldleave left leftmake made mademeet met metsell sold soldshoot shot shot 3.其他(A-B-B)tell told toldsmell smelt/smelled smelt/smelled sit sat satdig dug dugA-B-C型（现在式、过去
5、式和过去分词都不相同）1.在动词原形后加-n 或-en 构成过去分词。eat ate eatenfall fell fallensteal stole stolengive gave givenfreeze froze frozen take took takensee saw seen write wrote writtenride rode riddendrive drove driventhrow threw thrownblow blew blowngrow grew grownknow knew known fly flew flown1.在动词原形后加-n 或-en 构成过去分词。
6、draw drew drawnshow showed shown2.过去式加-n 或-en 构成过去分词。speak spoke spokenbreak broke brokenwake waked/ woke waked/ wakenchoose chose chosenforget forgot forgotten3.变单词在重读音节中的元音字母 i分别为 a（过去式）和 u（过去分词） 。begin began begun ring rang rungsing sang sungsink sank sunkswim swam swumdrink drank drunk4.其他不规则动词的变化。be(am, is) was/ were beenbe(are) were beendo did done go went gonelie lay lainshow showed shown没有过去分词的动词can couldmay mightshall shouldwill would
