do you ---（hear）someone --（sing）in the next room?

Do you ＿_＿（hear）someone ＿＿（sing）in the next room?
sing 和 singing 都可以,但是意思不一样.
Do you hear（hear）someone singing in the next room?
你听到隔壁有人正在唱歌吗?singing 现在分词,正在唱
Do you hear（hear）someone sing in the next room?
你听到隔壁有人时常唱歌吗?sing 原形,唱,经常唱