Seen from the hill, the park looks very beautiful.
Hearing the news, they immediately set off for Shanghai.
①Hearing the news, they immediately set off for Shanghai.
(=When they heard the news, they immediately set off for Shanghai.)
② Having finished his homework, he went fishing.
(= After he had finished his homework, he went fishing.)
如果动词-ing形式表示的动作与谓语动词的动作几乎同时发生，则用 doing; 若先于谓语动词的动作发生，则用其完成式，即having done 。
when she turned around, she saw a police car driving up.
When I looked out of the window, I saw some children playing football.
After they closed the windows and doors, the students left the room.
= Turning around,
= Looking out of the window…
= Having closed the windows and doors …
_____________by a snake，she was frightened at it.
A. bite B. biting
C. being bitten D. having been bitten
①Because/As he was ill, he didn’t go to school.
=Being ill, he didn’t go to school.
②Since you are a student, you should study hard.)
=Being a student, you should study hard.
= If you walk ahead, you will see a white house.
______________, you will see a white house.
He sat on the sofa, and watched TV
=He sat on the sofa, watching TV.
____________________, they went into the classroom.
Laughing and talking
Her mother died in 1990, and left her with her younger brother.
=Her mother died in 1990, leaving her with her younger brother.
The song is sung all over the country, _____________________________ .
making it the most popular song
Her father died in 1990, leaving the family even worse off.
He ran to the station, only to find that the train had left.
1. -ing形式作状语时, 它的逻辑主语一般与主句的主语是一致的。
e.g. Time permitting, I will pay a visit
to the whole city.
= If time permits, I will pay a visit to the whole city.
e.g. Not having finished my homework, I
had to stay at home.
1. “You can’t catch me!” Janet shouted, _______ away.
A. run B. running C. to run D. ran
Grammar quiz 语法小测
2. ________the piano, someone suddenly
knocked at the door.
B. When I was playing
3. ______ the programme, they have to stay there for another 2 weeks.
A. Not completing
B. Not completed
C. Not having completed
D. Having not completed
4. “We can’t go out in this weather”,
said Bob, ____ out of the window.
A. looking B. to look
C. looked D. having looked
5. Though _____ money, his parents
managed to send him to university.
A. lacked B. lacking of
C. lacking D. lacked in
6. _______ such heavy pollution already, it may now be too late to clean up the river.
A. Having suffered
C. To suffer
7. ______ other cities, Peking is known to have high levels of air pollution.
B. To be compared to
C. Comparing with
D. To compare with