问题
选择题
(2013·新课标全国卷Ⅱ)I got to the office earlier that day, ________ the 7：30 train from Paddington.
A．caught
B．to have caught
C．to catch
D．having caught
答案
答案：D
选D 由句意可知catch the 7：30 train这一动作发生在谓语动词got to the office之前，故用现在分词的完成时。