68 省略to的不定式作賓語補足語　Track 068

1）感官動詞的賓語補足語中不帶to
see　hear　watch　notice　feel　observe
2）使役動詞的賓語補足語中不帶to
let　make　have
例句
a. The teacher has us write a composition every week.
b. I saw a man enter the shop.
c. To calm the patient, the dentist offered him a shot of whiskey. The man tossed it down（一飲而盡）, then had another. “Now,” said the dentist,“got your courage back?” “Yeah,” snarled（咆哮） the patient. “And I’d like to see anybody try to touch my teeth.”
為使病人平靜下來，牙醫(yī)給了他一杯威士忌。該男子一飲而盡，接著又喝了一杯。牙醫(yī)說：“現(xiàn)在，你不再害怕了吧？”病人咆哮道：“是的，我倒要看看誰敢碰我的牙齒。”
上述動詞若轉換為被動結構時，其后不定式需將to還原回來：
d. A man was seen to enter the shop.