Unit2 Fit for life Grammar and usage教学设计
单 元：Unit 2 Fit for life
板 块：Grammar and usage
Thoughts on the design:
本节课学生将学会什么是连系动词（系动词），以及连系动词的功能。即：连系动词用于连接主语和表语，说明主语的状态、性质、特征或身份。常见的系动词是be（am/is/are）；除be外，还有appear、 seem、look、sound、feel、taste、smell、become、come、get、grow、 turn、fall、go、keep、remain、stay、stand、prove 等。练习设计多样，通过操练和运用，突出了在篇章中练习语法结构，训练学生在阅读及其它实际运用中掌握语法知识，提高能力。
Teaching aims:
1. After learning Linking verbs, the students will know about some basic information about linking verbs (words used as linking verbs; function of linking verbs; predicative after linking verbs);
2. After learning Linking ve rbs, the students will be able to summarize usages of common and important linking
