1.Their job is "panning for gold".

　　2.That was the problem facing Charlie Chaplin.

　　3.He sat down at the table with his plate and drinking cup.

　　4.Do you find it funny to see someone sliding on a banana skin,bumping into someone else round a corner,or falling down a hole in the road?

　　答案:1.v.-ing短语作表语

　　2.v.-ing短语作定语

　　3.v.-ing短语作定语

　　4.v.-ing短语作宾补