9. The patient was warned ___oily food after the operation. A. to eat not B. eating not C. not to eat D. not eating
“感觉” feel “听” hear, listen to “使役动词”have, make, let “看” see, look at, observe, watch, notice
但当以上的动词用于被动式,to要还原: 1. They saw the boy fall suddenly from the tree. The boy was seen to fall suddenly from the tree.
5.I would love ___to the party last night but I had to work extra hours to finish a report. A. to go B. having gone C. going D. to have gone 6.____late in the morning , Bob turned off the alarm. A . To sleep B. Sleeping C. Sleep D . Having slept
eg: He spoke loudly (so as / in order) to be heard.
Ⅴ. 作状语
1. 表示目的: to / in order to / so as to
2. 表示原因 不定式可以用在作表语的形容词后作状语, sorry, surprised, happy, glad, eager, angry, foolish, right, wrong, slow, quick, rude, cruel, disappointed等。