ｂｅ ｓｕｐｐｏｓｅｄ ｔｏ ｄｏ的用法
白姓女孩名字作者：钱超平
来源：《初中生(三年级)》2009年第07期
be suppod to do意为“应该、被期望、理应”，用来表示根据规定或传统习惯人们不得不做的事。时态、人称和句式的变化用be来体现，to为不定式符号，后接动词原形。
1. be suppod to do的肯定句式为：
Everyone is suppod to wear a at-belt in the car. 杜甫被誉为什么
每个人在小汽车里都应该系好安全带。
You’re suppod to start work at 8∶30 every morning. 酒宴
你应该每天早晨8点半开始工作。
They are suppod to shake hands.
怎么安装无线路由器 他们应该握手。
略胜一筹造句
台城韦庄 2. be suppod to do的疑问句式须将be的相应形式提到主语前。例如：
危房标准
Is he suppod to get there at five？
他应该在5点钟到吗？
Was Lucy suppod to speak Chine like that？
露西应该像那样说汉语吗？上海篱笆论坛
What are you suppod to do？
你们应该做什么？
When were you suppod to arrive？
你们应该什么时候到？
3. be suppod to do的否定式，即在be动词后加否定副词not，此时相当于not be allowed to do，意为“不被许可、不应当”。例如：
You are not suppod to smoke here.
