The misuse of the countable nouns and uncountable nouns, the definite articles and indefinite articles, the misuse of the possessives of the numerals and the cardinals.
包括:混淆可数名词和不可数名词,混淆特指代词和泛指代词,误用不定冠词,误用定冠词,误用英语所有格,混淆基数词和序数词。
‘Ours ’ and ‘their ’ are possessives.
ours和their是所有格代词。
简答网 · 高考英语
简答网 · 中考英语