PRESENT TENSE
 ACT: She Sings in the park.
PASS: In the parck is sung by his


PAST TENSE
ACT: He Bought a car yesterday
PASS: A car yesterday was bought by him


 Present Progressive
 ACT: they Are Drinking a milk
PASS: a milk are being drinking by them



 Future will
ACT: she will sing a beautiful song
PASS:a beautiful song will be sung by she


 Future be giong to
AFF:they are going to forget their homeworks
PASS: their homeworks are going to be forgotten by them

Present perfect
 ACT:he has understood the lesson
PASS.thelesson had been understood by him

PAST PROGRESSIVE
ACT: she was singing rock last week
PASS: rock was being sung by  him last week

Modal verbs
He can understand the lesson
the lesson can be understood by him