1·Capitalize all proper nouns but not the articles (a, an) that precede them.
把所有的专有名词大写，它们之前的冠词(a, an)则不用。
—— 《柯林斯英汉双解大词典》
2·You will use one of the proper nouns twice.
其中一个专有名词会被用到两次。
3·All proper nouns begin with a capital letter.
所有的专有名词都以大写字母为首。
4·Proper nouns are spelled with a capital letter.
专有名词用大写字母。
5·Sometimes common nouns change into proper nouns.
有时普通名词会转变成专有名词。
6·We'll compare common nouns and proper nouns today.
我们今天来比较一下普通名词和专有名词。
7·A proper nouns always begins with a capital letter.
专有名词以大写字母开头。
8·Proper nouns deserve an investigation phase of their own.
专有名词值得作进行专门调查。
9·You will note that proper nouns begin with a capital letter.
你会注意到专有名词的第一个字母是大写的。
10·We use a capital letter for the first letter of proper nouns.
专有名词的第一个字母必须大写。