考生们要想提高托福阅读，不仅要勤做题，以下这些介词短语，同学们也务必要掌握。
一、带-ing词尾的介词
barring：except，not including除……外
concerning：about，regarding论及，关于
excepting=except
failing：in default of因缺少……;在缺少……时
following：after in time;as a sequel to在……以后
including：if we include如果包括我;……包括在内
pending：during/until在……期间/直到……为止
regarding：about，concerning，in respect of
二、成语介词
according tas stated by/ in proportion根据……/依照……
ahead of：further forward in space or time sb/sth; earlier than sb/sth;further advanced than sb/sth
along with：in addition to; together with另外，加之，还有
apart from：exceping，not considering; in addition to除……外/且莫说;除……之外尚有
as for：with regard to至于
as from：on and after(a specified time)从一特定时间开始
as of=as from
as regards：about，concerning至于，就……而论
as twith regard to关于，至于
because of：on account of, by reason
but for：without the help or hindrane etc.of假如没有……(帮助或障碍等);要不是
