过去分词变形AAA 型即原形、过去式和过去分词三者都相同。（共 9 个）cost—cost—cost cu—cut—cut hi—hi—hit hur—hurt—hurt l — le — letput—put—put read—read—read（read 的原形和过去式、过去分词读音不同 Q set-set-setshut-shut-shutABB 型过去式、过去分词相同。（共 42 个）1. 过去式和过去分词都含有-ought°（4 个）bring—brought—broughtbuy—bought —boughtthin—thought—thoughtfigh—fought—fought2. 词尾有-ild -end 时，只需把 d 变为 t（4 个）build-buil—builtlend—len— 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、-eel 变为-ept、-elt （4 个）keep—kept—keptsleep—slep—sleptsweep — swept—sweptfee—fel-— felt5. 把-ell 变为-old°（2 个）tel-—told—toldsel—sold—sold6. 把-ell -il 变为-el 威-iLt （3 个）smell—smelt—smeltspel—spel — speltspi — spil—spilt7.把-eed、-ead、-eet 变为-ed 或-et°（4 个）feed—fed—fedlead—led—ledspeed — sped — spedmeet —met —met8.过去式、过去分词都在原形词尾加 t（5 个）learn-learn—learntmean —meant —meantspoi — spoil—spoiltburn—burnt—burntdream —dreamt —dreamt9.过去式、过去分词词尾去 y 变-id （4 个）say—said—saidpay—paid—paidlay-lai — laidhear—heard—heard10. 改变元音字母。（12 个）meet —met —metfeed—fed—fedget—got—gotsi—sat—satfind—found—foundhold—held—heldspi — spat—spatshine—shone — shonewin—won —wonhang —hung —hungdig— dug—duglose—los — lost11. 改变辅音字母。（4 个）make —made —madebuild-buil—builtsend — sent—sentspend—spent—spent12. 改变元、辅音字母。（4 个）leave—lef—leftstand—stood—stoodhave/has—had —hadunderstand—understood—understoodABC 型原形、过去式、过去分词都不相同。（共 39 个）1. i—a—u 变化。（7 个）begin—began —begundrin—drank—drunksing— sang—sungring—rang—rungswim —swam —swumsink— sank—sunkspring—sprang—sprung2. 词尾为-ow , -aw 时，过去...
