开头字母(A-B)不则动词表：

不定式    过去式    过去分词

abide    abode,abided     abode,abided

arise    arose     arisen

awake    awoke     awaked,awoken

be    was     been

bear    bore     borne,born

beat    beat     beaten

become    became     become

befall    befell     befallen

beget    begot     begotten

begin    began     begun

behold    beheld     beheld

bend    bent     bent

bereave    bereaved,bereft     bereaved,bereft

beseech    besought     besought

beset    beset     beset

bet    bet,betted     bet,betted

betake    betook     betaken

bethink    bethought     bethought

bid    bade,bid     bidden,bid

bind    bound     bound

bite    bit     bitten,bit

bleed    bled     bled

blend    blended,blent     blended,blent

bless    blessed,blest     blessed,blest

blow    blew     blown

break    broke     broken

breed    bred     bred

bring    brought     brought

broadcast    broadcast,broadcasted     broadcast,broadcasted

build    built     built

burn    burnt,burned     burnt,burned

burst    burst     burst

buy    bought     bought