牢记make possible的三种形式：

        1. make+名词+possible；

        His financial aid makes this trip possible.

        2. make+possible+名词（名词短语较长时）

        His financial aid makes possible the poor Chinese student’s entering of

        the world famousuniversity.

        3. make it possible (for sb.)to do (见形式宾语部分)

        The father’s hard labor makes it possible for the son to receive bettereducation.

        定语从句可分为限定性和非限定性两种，其主要区别为：

        1. 非限定性定语从句中，引导词和先行词之间需用逗号隔开。

        2. 非限定性定语从句中，引导词一般不用that，

        在修饰人时用who, whom, whose

        He had three children, all of whom had graduated from college.

        在修饰物时用 which

        部分状语从句可以省略，在填空题中时有出现

        如：Although defeated, he did not lose heart. (从句中省略了he was)

        If inFORMed timely, I wouldn’t have missed the meeting. (从句中省略了

        I were)

        注意: 当现在完成时的时间状语是for + 一段时间(已经有…时间了), 和since

        + 一个时间点(自从…以来)的时候, 句中的谓语不能是非延续性动词(暂短性动词), 如不

        能说:

        I have borrowed the book for ten days. (错误: borrow这个动作是发生在图书

        出纳台上的一次性动作, 不能延续, 因此不能和for引导的时间状语连用)

        应改为: I have kept the book for ten days.

        这样的暂短性动词还有: buy/sell, break, die, graduate, drop等倒装倒装句就是将正常的陈述语序加以变化，主要作用是强调被提前的部分倒装句可分为全部倒装和部分倒装两种：

        一、全部倒装

        谓语动词提前至主语之前为全部倒装，如：

        Out came his guest.

        On the hill stood a little cottage that contained heaps of hay.There lived an elderly lady whose husband died long ago.

        二、部分倒装

        助动词或情态动词提至主语之前，谓语动词位置不变，即为部分倒装，如：

        Neither could he see through your plan.

        So little did I know about him that I was easily taken in by his words.

        Doesn’t her invitation appeal to you?

        第一节 否定词提前倒装

        否定词用于句首时，句子应进行部分倒装

        否定词常用的有：

        Not only…(but also), Not until(直到…..才), No sooner….(than)(一…..就) Never/ Rarely/Seldom Hardly/Scarcely… (when) Few/Little

        Neither/Nor (也不) Nwhere

        At no time Under no circumstances(决不)

        On no account (决不)In no way

        其中not only, no sooner, hardly, scarcely 分别和but (also), than, when搭

        配使用，需注意：后一组词之后的部分不进行倒装，只有否定词之后的部分倒装

        如：Hardly had I arrived home when it began to rain.

        Not only was he able to enter the final round of the contest, but he

        came out first as well.

        No sooner had I got any chance to speak than the clerk slammed the

        door in my face.

        Seldom does he travel about.

        Under no circumstances should you betray your own country.

        此类倒装句一般出现在填空题中，需填入的是倒装部分，只要在句首见到上述的词，就应条件反射的想到用倒装句(事实上，She doesn’t know, so she still feels joyous.)