两道简单的反意疑问句填空.请说明为什么.
问题描述：
两道简单的反意疑问句填空.请说明为什么.
一、there used to be many old trees in my yard,_____?是isn't there 还是didn't there 还是wasn't there 还是 usedn't there
二、the old lady had to deal with things herself,＿＿?是didn't her还是hadn't her 请解释为什么.
答
1. usedn't there 或 didn't there 都可以.含used to的句子,其反意疑问句可以用两种形式,一是对used进行变化,二是借助于did进行变化.2. didn't shehad to虽然视为情态动词have to的过去式,但是其否定/疑问句变化还需...