1. 中文:他既不說英語也不說法語。

(誤)He neither speaks English nor French.

(正)He speaks neither English nor French.

either...or, not only...but also 等對等相關連接詞所連接的部份應是相同詞性或起相同作用。

2. 中文:由于今天感覺不適,我決定待在家里。

(誤)For I did not feel well today, decided to stay at home.

(正)I decided to stay at home, for I did not feel well today.

對等連接詞for連接兩個對等的子句時不可放在句首,只可放在句中,for之前須加逗點。

3. 中文:不是你錯了就是我錯了。

(誤)Either you or I are wrong.

(正)Either you or I am wrong.

在含有either...or的句子中,述語動詞的數由較近的主語決定。

4. 中文:雖然他很富有,但他并不快樂。

(誤)Although he is very rich, but he is not happy.

(正)Although he is very rich, he is not happy.

though或although本身就具有雖然...但是的意思,不可再和but連用。

5. 中文:我從來沒有去過倫敦和巴黎。

(誤)I have never been to London and Paris.

(正)I have never been to London or Paris.

在否定句中,對等連接詞一般不用and,而用or。

6. 中文:他向我道歉我才跟他說話。

(誤)I shall speak to him until he apologizes.

(正)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生。

7. 中文:因??我想學英語,所以我買了一本字典。

(誤)Because I wanted to learn English, so I bought a dictionary.

(正)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。