The form century's is the singular possessive form of the noun century.
The plural form of the noun century is centuries.
The plural possessive form is centuries'.
example: Despite many centuries' passage, humans make the same mistakes over and over again.
The singular form of the plural noun centuries is century.The singular possessive form is century's.example: Will we have flying cars by the century's end?
10.100.365,25.24.60.60 = 31 557 600 000 seconds
The possessive form of the singular noun century is century's.example: Will we have flying cars by the century's end?
The plural is epochs.
The possessive form of the singular noun century is century's.example: Who was the twentieth century's most famous or infamous person?
Coaster's is singular possessive. The plural is coasters, the plural possessive is coasters'.
The correct form is "its" for the possessive form in the plural. "Its" is used for both the singular and plural possessive forms, without an apostrophe.
The plural is briefs. The plural possessive is briefs'.
The plural is lads. The plural possessive is lads'.
The plural is trollies. The plural possessive is trollies'.
The plural is stations. The plural possessive is stations'.
The plural is relatives. The plural possessive is relatives'.
Museum is singular. Museum's is singular possessive. Museums is plural. Museums' is plural possessive.
The singular possessive form is heart's; the plural possessive form is hearts'.
The plural form is homes; the plural possessive is homes'.
The plural of rose is roses. The plural possessive is roses'.
The singular possessive is biker's; the plural possessive is bikers'.