Unit 5 If you go to the party , youll have a great time !Teaching goals:1. Words and expressions in this unit .2. Target language :Are you going to the party ?Yes , I am . Im going to wear my jeans .If you do , youll have a great time .You should wear your cool pants .3. 掌握现在进行时态表示将来(Present progressive as future ).4. 学习条件状语从句: if + will .5. 进一步了解情态动词should的用法.6. 学习谈论因果关系.7. 做出决定是否做某事.Important and difficult points :1. 学习运用be going to 和will构成的一般将来时。2. if 引导的条件