2021考研英語四級重點語法知識匯總

狀語從句的考點為：

1、非if引導的條件狀語從句，此類句子多用at times，provided，so long as，in case，once等來替代if;

2、由even if/so，now that，for all等引導的讓步狀語從句;

just/hardly...when引導的時間狀語從句;more than，as...as，not so much as，the same as，as much as等引導的比較狀語從句。

3、獨立主格結(jié)構(gòu)多以邏輯主語+分詞的形式出現(xiàn)。

4、情態(tài)動詞多與完成時形式連用。

5、定語從句重點考查介詞+關(guān)系代詞(which)和as作為關(guān)系代詞。

狀語從句

狀語從句：兩個獨立的句子中間用一些含義不同的連接詞連接;狀語從句用來表達兩個句子之間的邏輯關(guān)系;分成原因狀語、條件狀語、結(jié)果狀語、時間狀語、地點狀語、讓步狀語、目的狀語、比較狀語、方式狀語等九大類型;

eg：I got up late.

I was late for school.

Because I got up late, I was late for school. (原因狀語從句)

I got up late，so I was late for school. (結(jié)果狀語從句)

地點狀語：

地點狀語從句通常由where，wherever，everywhere 引導;

eg：Where I live there are plenty of trees.

Wherever you work, you will gain much valuable experience as long as you are willing to work.

Wherever=no matter where

Everywhere they went, they were warmly received.

Where there is a will, there is a way.

where：不能翻譯成在……地方時，通常翻譯為如果，表示在……條件下;

eg: Where you are confident，you will succeed.

eg：Where previously the bank had concentrated on the big infrastructure projects , such as dams, roads and bridges，it begin to switch to projects which directly improved the basic services of a country.

concentrated on ：集中于……

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