admit finish relish can’t help advocate imagine resent get through appreciate include resist give up avoid keep risk go on consider mind suggest insist on defer miss leave off delay postpone phrases: look forward to deny practice be devoted to object to enjoy quit be opposed to put off escape recall be used to with a view to be committed to 注：介系词后面一定跟名词、名词词组、动名词、或动名词词组。以上词组中的 to均为介系词，但to是介系词，也是不定词的符号，所以一般同学不易分辨是否是介系词，只有硬记。
1. I go to bed at 11 o’clock every night. (本句中的 to 是介系词，因为后面
跟的是名词 bed)
2. I go to see a movie once every week. (本句中的 to 是不定词的符号，因为
后面跟的是动词 see)