2016-2017学年 人教版 必修三 Unit 2 Healthy eating grammar 课件 (2)
2016-2017学年 人教版 必修三  Unit 2 Healthy eating  grammar 课件 (2)第5页

 You should go to school right away. It’s eight o’clock now. He should be at work. It seems so unfair this should happen to me. You should have reminded me of the meeting. What should we do now?

sum up

义务

表惊讶:竟然

推测

用于第一人称疑问句,询问对方的意愿

表责备,谴责