go( went )( 走,去 )
is( was )( 是 )
can( could )( 能,会 )
can't( couldn't )( 不能 )
learn( learnt/ learned )( 学 )
help( helped )( 帮助 )
write( wrote )( 写 )
put( put )( 放 )
buy( bought )( 买 )
read( read )( 读 )
see( saw )( 看见 )
fly( flew )( 飞,放飞 )
不明白的再问哟,请及时采纳,多谢!