内容正文:
Grammar in depth — Non-finite verbs
I. Understanding structures
A — Complete the sentences below using the correct form of the given words: infinitive (to do), gerund (doing) or participle (doing or done).
(1) It is our responsibility ______________________________. 保护环境是我们的责任。
(2) ____________________ him the truth. 告诉他真相没用。
(3) ________________________________________ without air and water. 离开空气和水我们很难生存。
(4) ____________________ makes the teacher very angry. 他又迟到让老师十分生气。
#1 Non-finite verbs as __________
*We use __________ and __________ as __________.
*We can use __________ as formal subject since real subject may sometimes be too long.
*We can use __________ or __________ as logical subject for an infinitive, and __________ for a gerund.
(1) My duty today is __________ (look) after those kids.
(2) Your task is __________ (clean) the room.
#2 Non-finite verbs as __________
*We use __________ and __________ as __________.
(1) I ________________________________________ the task on time. 我感觉按时完成任务不可能。
(2) (改错) Stop talk about this topic. 不要再讨论这个话题。
(3) We _________________________ some bottles of water at a shop beside the road. 我们停下来在路边的商店买了些水。
(4) Do you mind ________________________________________. 你介不介意我打开窗户?
#3 Non-finite verbs as __________
*We use __________ and __________ as __________.
*For some verbs, e.g. stop, try, forget etc., the meaning changes when they are followed by __________ and __________.
*We can use __________ as formal object since real object may sometimes be too long.
*We can use __________ as logical subject for only gerund to introduce the doer of it.
(1) I ___________________________________ about. 我没什么可以担心的。
(2) You may get into danger even in ____________________. 甚至在游泳池里你也可能有危险。
(3) When I passed by the house, a girl ______________________________ (wear, 穿着红色长裙的) stopped me.
(4) Now more than 60% of the rice ____________________ (produce, 中国生产的) each year is from this hybrid strain.
#4 Non-finite verbs as __________
*We use __