请写出下列单词的第三人称单数形式.welcome see excuse spell look do have guess know come give like play think go help

welcomes sees excuses spelles looks does has guesses
knows comes gives likes plays thinks goes helps

welcomes,sees,excuses,spells,looks,does,has,guesses,knows,comes,gives,likes,plays,thinks,goes,helps

welcomes
sees
excuses
spells
looks
does
has
guesses
knows
comes
gives
likes
plays
thinks
goes
helps