Choose the correct answer. The Browns have got three ..., two ... and one ... .

The plural form of a word is the form that is used when referring to more than one person or thing. The numerals “three” and “two” in the given sentence indicate to using a plural form of a noun. This means we can use only plural form of the noun “child” - “children” and plural form of the word “boy” - “boys”. The singular form of a word is the form that is used when referring to one person or thing. The last word “one” in the given sentence indicates to using a singular form of a noun.

Manba: UZBMB namunaviy test topshiriqlari va ularni yechish bo‘yicha tavsiyalar (2020). Svetlana Xan, Ludmila Kamalova “Teens’ English 7-sinf uchun darslik”, page -112; M. G‘apporov, R. Qosimova “Ingliz tili grammatikasi”, pages 110-115