I often hear the girl ____ this English song in her room.
I heard the girl _______ this English song in her room when I passed by.
I hear this English song ____ in her room.
The girl is often heard ______ this English song in her room.
This English song was heard ____ by the girl in her room.
sing
singing
sung
to sing
sung
Fill in blanks with the right forms of the word sing.