become： 过去式became，过去分词become，现在分词becoming 

become的过去式、现在分词、第三人称单数形式是什么

become---became---becoming---becomes
field---fielded---fielding---fields
hit---hit---hitting---hits
eat---ate---eating---eats
fly---fiew---flying---flies
swim---swam---swiming---swims
stop---stopped---stopping---stops
全都是手打的，望采纳，谢谢。