B

Infinitive

（动词原形）

Simple Past

（过去分词）

Past Participle

（完成分词）

backslide

relapse into bad ways or error堕落

backslid

backslid

be

exist 是，存在

was, were

been

bear

something that is difficult to do or deal with 忍受

bore

born / borne

beat

To strike repeatedly 击打

beat

beaten / beat

become

To grow or come to be 变成

became

become

begin

perform or undergo the first part of an action or activity. 开始

began

begun

bend

shape or force (something straight) into a curve or angle 弯曲

bent

bent

bet

risk a sum of money or valued item against someone else's on the basis of the outcome of an unpredictable event such as a race or game.打赌，赌注

bet / betted

bet / betted

bid farewell

phrasal verb 告别

bid / bade

bidden

bid

offer amount 出价

bid

bid

bind

tie or fasten (something) tightly together.装订 捆扎

bound

bound

bite

you use your teeth to cut into it 咬

bit

bitten

bleed

lose blood from the body as a result of injury or illness.流血

bled

bled

blow

move creating an air current.吹

blew

blown

break

it suddenly separates into two or more pieces 打破

broke

broken

breed

(of animals) mate and then produce offspring.培育

bred

bred

bring

to come with (something or someone) to a place 带来

brought

brought

broadcast

cast or scattered in all directions 广播

broadcast / broadcasted

broadcast / broadcasted

build

to make (something) by putting together parts or materials 建造

built

built

burn

to be on fire 燃烧

burned / burnt

burned / burnt

burst

break open or into pieces in a sudden and violent way 爆炸

burst

burst

bust

break it or damage it so badly that it cannot be used. 打破

busted / bust

busted / bust

buy

you obtain it by paying money for it. 购买

bought

bought