12) to meet a high school classmate in the mountain village

　　13) to have taken up so much of your time

　　14) to be standing in the doorway when he rushed in

　　15) to be treated as a guest

　　16) go to the campus bookstore to buy used books

　　17) to wipe our feet on the mat before going into the room

　　七、分詞

　　1) “Happy birthday to you” sung in Italian

　　2) parked in the fire lane

　　3) killing thousands upon thousands of people

　　4) raising the average yield by 15 percent

　　5) trying to deduce its operating principle

　　6) Seeing that everyone was bending over his/her book

　　7) Deeply moved by the boy’s deeds

　　8) Seen from the eyes of a young friend

　　9) Not having heard from his parents for a long time

　　八、動名詞

　　1) Taking a cold bath every day

　　2) making their daughter do what she didn’t like to do

　　3) getting our goods into the international market

　　4) crying over spilled milk

　　5) having peeked at his neighbor’s test paper

　　6) being promoted to manager

　　九、非謂語動詞用法區別

　　1) working very hard.

　　2) to drive there, but his car broke down

　　3) talking to his mother

　　4) talk to his mother for an hour

　　5) only to break his own leg

　　6) breaking his legs

　　7) to see his parents in good health