【正文】
se he was lost in thought, he almost ran into the car in front of him. Given more time, we could do it much better. If we were given more time, we could do it much better. Unless invited to speak, you should remain silent at the conference. Unless you are invited to speak, you should remain silent at the conference. Compared with other professors, she was an excellent speaker. (=If she was pared with other professors...) Practice 1. A railway station is no place for a child _____ alone at night. A. leave B. leaving C. to be leaving D. to be left 2. We were warned _____ the fish which might give us a slight stomach upset. A. not to eat B. not eating C. to eat not D. eating not 3. _ themselves awake they sat on the floor and told each other stories. A. Keep B. Keeping C. To keep D. To have kept 4. _____ these children _____ what you want is a science I can tell you! A. Getting。 done C. To get。 表語 現(xiàn)在分詞 賓語補足語 定語 狀語 作狀語 現(xiàn)在分詞作狀語時,其邏輯主語必須與句