Unit 1 What’s the matter? 1、询问健康状况 What's the matter with you?(你怎么了?) What's the trouble with you?( 你出什么问题了?) What's wrong with you?(你有什么不对劲吗?) 2、提出建议 You should lie down and rest.(你应该躺下来休息一下。) 3、询问和表达意愿 Should I take my temperature?(我应该量一下体温吗?) 4、表达推测和原因 I think I sat in the same way for too long without moving. (我想我保持同一个姿势坐太久了,都没动过。) Unit 2 I’ll help to clean up the city parks. 1、表达能力和意愿 The boy could give out food at the food bank. (这个男孩可以在食品银行分发食物。) 2、谈论时间和计划 Clean-Up Day is only two weeks from now.(清洁日离现在只有两周了。) 3、描述日常活动 He volunteers at an animal hospital every Saturday morning. (他每周六早上在一家动物医院做志愿者。) Unit 3 Could you please clean your room? 1、请求和允许 Could you please clean your room?(你能打扫一下你