一般现在时和一般过去式的被动语态buymakecontroldofindgiveknowkeepplan
问题描述：
一般现在时和一般过去式的被动语态
buy
make
control
do
find
give
know
keep
plan
答
be 动词+动词过去分词
be（am is are ）一般现在时
be（was were）一般过去式
动词过去分词
bought
made
controlled
done
found
given
known
kept
planned