(誤)He neither speaks English nor French.
(正)He speaks neither English nor French.（either…or，not only…but also等對等連詞所連接的部份應是相同詞性或起相同作用。）
(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.（對等連詞for連接兩個對等的句子時不可句首。）
(誤)Either you or I are wrong.
(正)Either you or I am wrong.（在含有either…or的句子中，謂語動詞的數由較近的主語決定。）
(誤)Although he is very rich, but he is not happy.
(正)Although he is very rich, he is not happy.（though或although字句首時，本身就…的意思，不可和but連用。）
(誤)I have never been to London and Paris.
(正)I have never been to London or Paris.（在否定句中，對等連詞不用and，而用or。）
(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，句中speak的動作要等到他道歉時才。）
(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…的意思，不可再和so連用。）
(誤)Mr. Jones lives on 10 Queen Street.
(正)Mr. Jones lives at 10 Queen Street.（at＋門牌號，on＋街道名稱；兩者以門牌號碼為準。）
(誤)He likes to sit under the sun.
(正)He likes to sit in the sun.（在太陽下用介詞in。）
(誤)Bread is made of wheat.
(正)Bread is made from wheat.（由…制成，of用于成品原有性質；from用于成品不再原有性質。）
(誤)He is known by everyone.
(正)He is known to everyone.（be known to是習慣用法，表示為…所熟知。）
(誤)We are with trouble.
(正)We are in trouble.（有麻煩用in trouble。）
(誤)He will go to America in July 5.
(正)He will go to America on July 5.（on與某一天連用。）
(誤)He left home in the morning of 11th.
(正)He left home on the morning of 11th.（morning和某日連用時用on。）
(誤)He was angry with what I said.
(正)He was angry at what I said.（表示因某事生氣介詞用at或about，對某人生氣用with。）
(誤)He hid himself after a tree.
(正)He hid himself behind a tree.（after表順序，behind表位置。）
(誤)You may pass the exam under the help of the teacher.
(正)You may pass the exam with the help of the teacher.（在某人的幫助下用with。）
(誤)My father said to me that it was dangerous to play fire.
(正)My father said to me that it was dangerous to play with fire.（play后接運動，球類比賽時是及物動詞；后接玩的東西時是不及物動詞，與with連用。）
(誤)Did you really see the young man hit my brother on the face?
(正)Did you really see the young man hit my brother in the face?（打在臉上用in the face；打在鼻子上用on the nose。）
(誤)She looks quite young in her age.
(正)She looks quite young for her age.（for表示就…而論，于considering。）
(誤)It is quiet at the night.
(正)It is quiet at night.（表示在夜晚用at night或in the night。）