The plural form for one country, many leaders is 'The country's leaders...'; the plural for many countries is 'The countries' leaders...
leaders
The plural form for the noun leader is leaders. The plural possessive form is leaders'.
The word countries is the plural form of the singular noun country.The possessive form of the plural noun is countries'.The singular possessive form is country's.
The plural form for the noun leader is leaders. The plural possessive form is leaders'.
The plural word for leader is leaders.
The plural form of "do" is "do" and the plural form of "don't" is "don't." These words do not change in the plural form when used in a sentence.
The plural form of him, her, or it is them. (objective pronouns)
Bridges is the plural form of bridge.
The plural form of "was" is "were."
The plural form of "I" is "we."
The plural form of "is" is "are."
The plural form of mouth is mouths. The plural form of month is months. The Mounth is a range of hills in Scotland and does not have a plural form.