since then加一个一般疑问句吗

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since then加一个一般疑问句吗
since then加一个一般疑问句吗

since then加一个一般疑问句吗
since then是用作时间状语的副词性短语,既可以用在陈述句也可以用在疑问句,如：
　　Your life must have seemed very ordinary since then.你的生活从那时起一定是非常平淡无奇的.【肯定句】
　　Your life can’t have seemed veryordinary since then. 你的生活从那时起不会是非常显得平淡无奇的.【否定句】
　　Can your life have seemed very ordinary since then? 你的生活从那时起会显得非常平淡无奇吗?【疑问句】
　　Since then I've been waiting on events. 自那以后,我就一直在观望事情的发展.【肯定句】
　　Since then I've not been waiting on events. 自那以后,我就一直都没在观望事情的发展.【否定句】
　　Have you been waiting on events since then? 自那以后,你一直在观望事情的发展吗?【疑问句】

since then加一个一般疑问句吗 since then加一个一般过去式的句子吗改为一般疑问句The place has already changed since then.（）the place （　）since then( ) Then she saw the Cheshire Cat.对这个句子提问两次,一个一般疑问句Then she saw the Cheshire Cat.对这个句子提问两次,一个一般疑问句,一个特殊疑问句,正确率高,完整的有好评 Since that和 since then是一样的吗?为什么? The prince and princess lived a happy life since then不明白了为什么这里用一般过去式?since可以不用现在完成时吗?求大神讲解谢谢一般疑问句的动词要加ing吗 Wu Yifan is older then lucy(给为一般疑问句) then start at 9 o'clock（改成一般疑问句） I'll have some time then.(改为一般疑问句) then play in the playground(改成一般疑问句） We call then baby kangaroos.怎么改为一般疑问句? I am a litter taller then her 改为一般疑问句 since ever 和 since then 有区别吗字面上意思是一样的一个是在那之后,一个是从那时起 But then /Before then / Since then/ Until Then I went to the park.改成一般疑问句怎样改?（Then 过期不候用lose造句一般疑问句加汉字翻译：ever since then