★記憶法一：常見93個(gè)不規(guī)則動(dòng)詞的變化規(guī)律歸納如下：
    一、A—A—A型，即原形、過去式和過去分詞三者都相同。(共9個(gè))
    cost—cost—cost
    cut—cut—cut
    hit—hit—hithurt—hurt—hurt
    let—let—let
    put—put—put
    read—read—read
    set—set—set
    shut—shut—shut
    二、A—B—B型，即過去式、過去分詞相同。(共41個(gè))
    1.過去式和過去分詞都含有-ought。(3個(gè))
    bring—brought—brought
    buy—bought—bought
    think—thought—thought
    2.詞尾有-ild，-end時(shí)，只需把d變?yōu)閠。(4個(gè))
    build—built—built
    lend—lent—lent
    send—sent—sent
    spend—spent—spent
    3.過去式、過去分詞都含有-aught。(2個(gè))
    catch—caught—caught
    teach—taught—taught
    4.把-eep變?yōu)?ept。(3個(gè))
    keep—kept—kept
    sleep—slept—slept
    sweep—swept—swept
    5.把-ell變?yōu)?old。(2個(gè))
    tell—told—told
    sell—sold—sold
    6.過去式、過去分詞都含有-elt或-ilt。(4個(gè))
    smell—smelt—smelt
    spell—spelt—spelt
    feel—felt—felt
    spill—spilt—spilt
    7.過去式、過去分詞都在原形詞尾加t。(3個(gè))
    learn—learnt—learnt
    mean—meant—meant
    spoil—spoilt—spoilt
    8.過去式、過去分詞詞尾是d。(4個(gè))
    say—said—said
    pay—paid—paid
    lay—laid—laid
    hear—heard—heard
    9.改變?cè)糇帜浮?11個(gè))
    meet—met—met
    get—got—got
    sit—sat—sat
    find—found—found
    hold—held—held
    spit—spat—spat
    shine—shone—shone
    win—won—won
    hang—hung—hung
    dig—dug—dug
    lose—lost—lost
    10.改變輔音字母。(1個(gè))
    make—made—made
    11.改變?cè)⑤o音字母。(4個(gè))
    leave—left—left
    stand—stood—stood
    have(has)—had—had
    understand—understood—understood