7、介词
表示时间的介词
at
①接具体时间：eg.at six，at half past two，at ten to twelve
②表示在时刻；eg: at noon，at midnight1
in
①表示在之间；
eg.in January，in a month，in spring，in 2005
②在以后时中，表示在某段时间之后
eg.In ten years，I think I'll be a reporter.
on
表示在具体的某一天或某一天的上午、下午或晚上等。
eg. On Monday，On Tuesday afternoon，On May4th，On the morning of July 6th
固定搭配的介词
动词+介词：look after，look at，look for，laugh at，listen to，hear from，turn On，turn off, wait for，worry about，think of，spend...On
介词十名词：by train，on foot，at the end of ,at last，in the end，in trouble，at table，at breakfast，
in hospital,in time，On time, On ones way to，with pleasure
be+形容词+介词：be afraid of ,be good at，be good／bad for， be late for，be interested in，be angry, with，be full of，be sorry for
