Group's.
The word group's is singular possessive for the noun group; the apostrophe s indicates that something in the sentence belongs to the group.
Taco's is the singular possessive.
The singular possessive is Maddox's. The plural possessive would only be used if there was a group of people all having the name Maddox, which would be Maddoxes'.
The noun phrase 'group of children' is singular, one group.The noun 'children' is the plural form of the singular noun 'child'.The noun phrase 'group of children' is a term form one group of two or more children.
The singular possessive form of the word "taco" is "taco's".
The singular possessive form of jury is jury's
President's is the singular possessive form.
Dime's is the singular possessive of dime.
The singular possessive to the word baby is baby's.
The singular possessive is author's. The plural possessive is authors'.
No, the word children is a plural noun. The singular form is child; the singular possessive is child's.
There is no singular possessive of "actresses". The word itself is plural. The singular possessive of actress, however is "actress's."