以下写出它们的现在分词和单三.
be build buy can catch
am,is choose come cost cut
are dig draw drink drive
beat fall feel find fly
become forget freeze grow hang
blow hear hide hit hold
break hurt keep know lay
bring leave lend let lie
lose may mean meet mistake
ride ring rise run say
see sell send shall shine
show shut sink sleep smell
speak spend spill spit spoil
stand steal sweep teach tell
throw understand wake pay will
win die
以下写出过去式和现在分词,单三.
look start live
hope use stop plan study
carry worry talk snow wash
ugree decide discuss shop wait travel walk turn cool need relax follow close help talk enjoy
