1·The plural of 'child' is 'children'.
child一词的复数形式是children。
—— 《牛津词典》
2·'They are' is the third person plural of the verb 'to be'.
they are是动词to be的第三人称复数形式。
—— 《牛津词典》
3·That option is unavailable when the plural is always masculine or feminine in other languages.
在其他语言中，当复数总是阳性或阴性时，就没有这种选择了。
4·It always takes the third person singular form of the verb even though it's always plural in English.
它总是使用动词第三人称单数的形式，尽管在英语中它的动词总是复数。
5·It always take the third person singular form of the verb even though it's always plural in English.
它总是使用动词第三人称单数的形式，尽管在英语中“我们”的动词总是复数。
1·What is the plural of "person"?
“”的复数形式是什么？
—— 《柯林斯英汉双解大词典》
2·The verb should be in the plural.
这个动词应该用复数形式。
—— 《牛津词典》
3·Except that in Latin a ship's prow was called a rostrum and the plural of rostrum was rostra so they called the speaking platform rostra.
只是在拉丁语中，船首被称作“rostrum”，而且它的复数形式是“rostra”，所以他们将讲台叫做“rostra”。
4·The singular and plural of some nouns are the same.
有些名词的单数形式与复数形式一样。
5·That was plural, wasn't it?
是复数形式，是吗？