Formy Active i Passive:
Tense
Active Voice
Passive Voice
Simple Present
keeps
is kept
Present Continuous
is keeping
is being kept
Simple Past
kept
was kept
Past Continuous
was keeping
was being kept
Present Perfect
has kept
has been kept
Past Perfect
had kept
had been kept
Future
will keep
will be kept
Conditional
would kept
would be kept
Perfect Conditional
would have kept
would have been kept
Perect participle
having kept
having been kept
Modal verbs
must keep
must be kept
should keep
should be kept
must have kept
must have been kept
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