代詞
    一、代詞的五種形式間的混用
    he him himself self
    主格＜－＞賓格＜－反身代詞 名詞
    △
    ┃
    所有格
    his
    (A)名詞前面應(yīng)該使用所有格
    make she debut 錯(cuò)
    make one’s debut
    * 雙賓語結(jié)構(gòu)例外 won him prizes 對(duì)
    （B）反身代詞畫線－－－＞改賓格
    要使用的反身代詞必須與所在句子主語一致
    he killed him. 他殺
    he killed himself 自殺
    （C）self ,是名詞，“自我”，只用于哲學(xué)， 出現(xiàn)永遠(yuǎn)錯(cuò)
    二、代詞的單復(fù)數(shù) him,her--> them, 注意一下
    三、代詞的性別
    his/her himself/herself
    四、代詞的人與物
    Although he is employed in hte scientific field, the metric system
    ~~->it
    is not used in the U.S.
    五、關(guān)系代詞
    ┏ which 指代物
    ┃ that 指代人或物 注意：who與which混用
    ┗ who 指代人
    ┏ who 主
    ┃ whom 賓
    ┗ whose 所有格
    whom image --->只考過一回
    ~~~~->whose
    *主要考who和whose的混用
    who + noun. 錯(cuò) whose + V 錯(cuò)
    介詞
    一、through/throughout
    through: “穿過”、“通過”，強(qiáng)調(diào)動(dòng)作
    throughout: “貫穿”throughout his lifetime
    “遍布”throughout the world
    二、between/among
    between the stars/trees 兩兩之間
    among the two realms 錯(cuò)
    三、in/inside /into
    inside,in 靜態(tài)，強(qiáng)調(diào)狀態(tài)
    into 動(dòng)態(tài)，強(qiáng)調(diào)動(dòng)作
    air inside the house
    shoot...into the sky
    in + 單數(shù)noun.(無冠詞)，表示某一領(lǐng)域，某一方面，某一行業(yè)
    　　in shape, in size
    四、in/for/since
    in + 1. 時(shí)刻點(diǎn)
    　 2. 一段時(shí)間
    for+ 1. prep. + 一段時(shí)間
    　 2. conj. 并列連詞，不能位于句首
    　句子，for 句子
    since+1. prep., “自從”＋時(shí)刻點(diǎn)，完成時(shí)
    2. conj., “因?yàn)椤盨ince +句子，句子
    3. adv., 　a. 與過去時(shí)共用　= ago
    　　　　　...was...many years since ...
    b. 與完成時(shí)連用，表示過去某個(gè)時(shí)間某個(gè)事件到現(xiàn)在
    Tom was elected president last term, but he since has de
    voted
    little fo his spare time to his reponsibility.
    五、of 遺漏　　
     多余
    六、by
    1. be done by 只要不是固定詞組，就改by
    2. by doing 只要不是固定詞組
    3. 作品by 作者
    　publication by Franklin
    七、固定搭配
    together with = with
    adv + prep = prep