八年级英语学案Unit2 I’ll help to clean up the city parks. (SectionA1a-1c)第一学习目标:1.准确记忆本相关单词和短语: 打扫干净 ; cheer ; 振奋起来 ;give out ; 自愿做 ,愿者 2.could的用法。3.听懂含有could的句子并会运用。学习重难点:1.could的用法。2.一些动副短语的用法:clean up, cheer up,give up等的用法。学习过程:一、预习检查预习1a-1c,完成英汉互译1.在外工作 2.clean up 3.振奋起来 3.看望生病的孩子们 4.在医院里 5.in the food bank 6.课外学习 二、 探究新知知识点引导: 情态动词could如使用?观察下面例子:1.Could you please take the dog for a walk? 能请你带狗出去散步吗?2.Could we get something to drink after the movie?我们看完电影可以喝些什么吗?3.Maybe you could do more jobs around the house so that they have more time for studying.也你可以在房子围多做些事,以便让他们多些时间学习。4.I could ride a bike when I was only six years old .当我只有六岁时,我能骑自行车。发现:could 为情态动词,意为: ,是can的过去式,could无 和 的变化,具体用法有以下两点:1.用疑问句,用有礼貌地向对提出 ;2.也用提出建议,比 更为委婉客气。3用过去式,表示 。相关习题:1.Could you (help)me with my homework?2. (can)I use your pen?3.You (can) sing a song for us.4.When he was ten years old,he (can)buy things alone.知识点讲解:★You could help to clean up the city parks. clean up,意为 |