然后让学生自己做一些练习，加强对并列句的理解。现提供两例：

1.将下列用and 或but 连接.

A.I am poor. I am very happy.

B. I like English. I am good at it.

C. My father told Mary this story. Mary became interested in it

D. He fell off the wall. He didn’t break his arms.

2.判断下列句中and或but的用法是否正确.

A.I can swim, and I am good at it.

B.I wanted to have a cup of coffee, and the boy passed me an orange.

C. The boy is very clever but he can answer the question easily.

反身代词的教学建议

(1)建议教师将反身代词归纳总结如下，便于学生记忆。

单数: myself, yourself, himself, herself, itself

复数: ourselves, yourselves, themselves

提醒学生注意单数复数的区别，-self和-selves分别用不同的颜色标记。

教师先和学生一起找出所学过的含有反身代词的短语。然后编制练习或对话让学生反复操练。反身代词固定搭配有：enjoy oneself, look after oneself, help oneself to. . ., hurt oneself, say to oneself, love oneself in the beautiful music, buy oneself sth. , teach oneself, all by oneself, leave sb. by ourselves等。教师可通过多种办法让他们多练多用。条件好的可利用多媒体让学生进行模仿练习。

(2)教师可以投影片出示一段介绍，然后对学生进行提问.

I am Tom. I am thirty. I can look after myself. I like English. I taught myself. I like playing football with my classmate too. When we play it, we enjoy ourselves very much. Yesterday, I hurt myself in the game, but the game was very exciting. I lost myself in it. I didn’t feel any pain until I got home.

Questions:

A. Can Tom look after himself? Yes, he can.

B. How did Tom learn English? He taught himself.

C. Does he enjoy himself very much when he plays football? Yes.

本教案的设计使学生能够听懂与课文难度相当的听力材料。

上面就是为大家准备的八年级上册英语Unit21教案，希望各位教师能有好的教学方式。

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