Some children aren't able to speak before they are two years old.上面的为什么不能用can't 而要用 aren't able to .不是说can表示自身能力的吗?

请翻译：Some children aren't able to speak before they are two. There aren't some eggs.改错 Some children aren't able to speak before they are two years old.上面的为什么不能用can't 而要用 aren't able to .不是说can表示自身能力的吗? There aren't many children in the classroom里aren't意思 简单英语问题是we aren't children 还是we aren't child 为什么 Aren't you Aren't you gland that mothers and fathers give names to their children? The children ______(run) outside, aren't they there aren some people in the streetthere aren't some people in the street 翻译? 找错误 there aren't some desks in the room There aren't some birds in the sky.句子改错 填空 There aren't _____(some) books here. Although they aren't twins,theyare s( ) in some ways. There aren't some blkes under the tree.改错. There aren't some sheep on the farm.(改错) The children ( ) doing their homework.A.aren't B.isn't C.don't D.not aren't that's to say parents ( ) tell their children beforehanddont't aren't 用 There was 或 There were 填空.1 There isn't a butcher's shop here now,but ______ one here in 1996.2 There aren't any people here today,but ______ some here on Monday.3 ______ hundreds of children here at 6.00,but there aren't any here now.4 ___