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區分主動語態和被動語態

We clean the windows every day.(主動語態)

分析

當主語we是動作clean的發出者的時候，這就是一個主動語態句子。The windowsare cleanedevery day (by us).(被動語態)當主語the windows是動作clean的承受者的時候，這就是一個被動語態句子。介詞by就是被動語態的標志詞。

被動語態的構成

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除了掌握結構，同學們還要關注以下幾個被動語態的特殊用法。

主動形式表被動意義

open, lock, write, read, sell, clean, wash, cut, drive等詞作不及物動詞時，它們的主語為物，可用主動語態表被動意義。

1.This kind of pen writes very smoothly.

look, sound, taste, smell等系動詞用主動形式來表達被動意義。

2.Moon cakes taste good.3.This book is worth reading.

want/need/require+doing相當于want/need/require+to be done

4.My bike needsto be repaired.=My bike needsrepairing.

特殊用法

如see, hear, feel, watch, make, let, help在主動語態中常接不帶 to的動詞不定式，變為被動后則要加上to

有些動詞，，如：make sb. do sth. →被動：be made to do sth.see sb. do sth. →被動：be seen to do sth.help sb. (to) do sth. →被動：be helped to do sth.The boss made him work 14 hours a day. That means, hewas made towork14 hours a day.

亮點句型

It is said that/told that… 據說...

It’s said that our hometown is getting better and better.

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