Put up the tent. Change into passive voice.
AThe tent is being put up.
BLet the tent be put up.
CThe tent has been put up.
DLet the tent being put up.
AThe tent is being put up.
BLet the tent be put up.
CThe tent has been put up.
DLet the tent being put up.
Related Questions:
The Passive form of "Will the police arrest the union leader ?"