例句：他既不說英語也不說法語。

He neither speaks English nor French.   ?

He speaks neither English nor French.   ?

either…or，not only…but also等對等相關(guān)連詞所連接的部份應(yīng)是相同詞性或起相同作用。第一句里的“speaks English”和“French”不是相同詞性。

例句：由于今天感覺不適，我決定待在家里。

For I did not feel well today, I decided to stay at home.   ?

I decided to stay at home for I did not feel well today.   ?

對等連詞for連接兩個對等的句子時不可放在句首。

例句：不是你錯了就是我錯了。

Either you or I are wrong.   ?

Either you or I am wrong.   ?

在含有either…or的句子中，謂語動詞的數(shù)由較近的主語決定。

例句：雖然他很富有，但他并不快樂。

Although he is very rich, but he is not happy.   ?

Although he is very rich, he is not happy.         ?

though或although放在字句首時，本身就具有雖然…但是的意思，不可和but連用。

例句：我從來沒有去過倫敦和巴黎。

I have never been to London and Paris.   ?

I have never been to London or Paris.   ?

在否定句中，對等連詞一般不用and，而用or。

例句：他向我道歉我才跟他說話。

I shall speak to him until he apologizes.    ?

I shan't speak to him until he apologizes.   ?

not…until表示到…時候才，在此句中speak的動作要等到他道歉時才發(fā)生。

例句：因為我想學(xué)英語，所以我買了一本字典。

Because I wanted to learn English, so I bought a dictionary.   ?

Because I wanted to learn English, I bought a dictionary.   ?

because本身就具有因為…所以的意思，不可再和so連用。

現(xiàn)在都會用了吧？

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