oclock

　　[誤] Its ten past five oclock.

　　[正] Its ten past five.

　　[析] oclock所表達的時間是正點，如果要表達的時間是幾點幾分或差幾分幾點都不能用oclock.

　　once

　　[誤] Please come and see me once.

　　[正] Please come and see me one day.

　　[析] once用來談論過去的事情，而不能談論未來。如果要談及未來要用one day, some time等。

　　[誤] I met him one time when I was a student.

　　[正] I met him once when I was a student.

　　[析] 英語中一次應用once而不用one time，二次要用twice而不用two times.

　　one

　　[誤] My grandfather wants to live for hundred years.

　　[正] My grandfather wants to live for one hundred years.

　　[誤] He threw away the old dictionary and wanted to buy new one.

　　[正] He threw away the old dictionary and wanted to buy a new one.

　　[誤] His dog is bigger than my one.

　　[正] His dog is bigger than mine.

　　[析] 一般物主代詞之后不用one，除非one前有修飾詞，如my old one， 否則要用名詞性物主代詞。

　　[誤] One of the teacher is in the office.

　　[誤] One of the teachers are in the office.

　　[正] One of the teachers is in the office.

　　[析] One是句子的主語，其謂語動詞應用單數，而of后面的名詞要用復數名詞。

　　[誤] One third of the books is sent to the students.

　　[正] One third of the books are sent to the students.

　　[析] 幾分之幾或百分之幾這一結構用在主語位置，其謂語動詞要與of后面的名詞一致，如Two thirds of the work is done.

　　open

　　[誤] Are the banks opened today

　　[正] Are the banks open today

　　[析] 要注意open即可用作動詞、名詞，還可以用作形容詞，而close則不同。請看： Are the banks closed today這一句是正確的。

　　or

　　[誤] He doesnt drink and smoke.

　　[正] He doesnt drink or smoke.

　　[析] 否定句中的并列連詞要用or而不用and.

　　[誤] He neither drinks or smokes.

　　[正] He neither drinks nor smokes.

　　other

　　[誤] Where are the others students

　　[正] Where are the other students

　　[正] Where are the others

　　[析] other作形容詞時沒有復數形式，且作為泛指講時沒有定冠詞，如： Ask some other eople. 而加定冠詞后為特指。 the other可在句中作主語、賓語或定語，如： Now let me show you the other. (賓語) He has two sons. One is a worker, the other is a teacher. (主語) others 只能作代詞，而the others則為特指，如： There are five books. Two of them are not good. I like the others.

　　out

　　[誤] She went out the classroom, taking a dictionary with her.

　　[正] She went out of the classroom, taking a dictionary with her.

　　[析] out of是指從里出來，使用時不要將of丟掉。

　　oclock

　　[誤] Its ten past five oclock.

　　[正] Its ten past five.

　　[析] oclock所表達的時間是正點，如果要表達的時間是幾點幾分或差幾分幾點都不能用oclock.

　　once

　　[誤] Please come and see me once.

　　[正] Please come and see me one day.

　　[析] once用來談論過去的事情，而不能談論未來。如果要談及未來要用one day, some time等。

　　[誤] I met him one time when I was a student.

　　[正] I met him once when I was a student.

　　[析] 英語中一次應用once而不用one time，二次要用twice而不用two times.

　　one

　　[誤] My grandfather wants to live for hundred years.

　　[正] My grandfather wants to live for one hundred years.

　　[誤] He threw away the old dictionary and wanted to buy new one.

　　[正] He threw away the old dictionary and wanted to buy a new one.

　　[誤] His dog is bigger than my one.

　　[正] His dog is bigger than mine.

　　[析] 一般物主代詞之后不用one，除非one前有修飾詞，如my old one， 否則要用名詞性物主代詞。

　　[誤] One of the teacher is in the office.

　　[誤] One of the teachers are in the office.

　　[正] One of the teachers is in the office.

　　[析] One是句子的主語，其謂語動詞應用單數，而of后面的名詞要用復數名詞。

　　[誤] One third of the books is sent to the students.

　　[正] One third of the books are sent to the students.

　　[析] 幾分之幾或百分之幾這一結構用在主語位置，其謂語動詞要與of后面的名詞一致，如Two thirds of the work is done.

　　open

　　[誤] Are the banks opened today

　　[正] Are the banks open today

　　[析] 要注意open即可用作動詞、名詞，還可以用作形容詞，而close則不同。請看： Are the banks closed today這一句是正確的。

　　or

　　[誤] He doesnt drink and smoke.

　　[正] He doesnt drink or smoke.

　　[析] 否定句中的并列連詞要用or而不用and.

　　[誤] He neither drinks or smokes.

　　[正] He neither drinks nor smokes.

　　other

　　[誤] Where are the others students

　　[正] Where are the other students

　　[正] Where are the others

　　[析] other作形容詞時沒有復數形式，且作為泛指講時沒有定冠詞，如： Ask some other eople. 而加定冠詞后為特指。 the other可在句中作主語、賓語或定語，如： Now let me show you the other. (賓語) He has two sons. One is a worker, the other is a teacher. (主語) others 只能作代詞，而the others則為特指，如： There are five books. Two of them are not good. I like the others.

　　out

　　[誤] She went out the classroom, taking a dictionary with her.

　　[正] She went out of the classroom, taking a dictionary with her.

　　[析] out of是指從里出來，使用時不要將of丟掉。