1、Unit 4 Do it yourself
教学目标
1.知识目标：
学习词汇：certain, active, possible, tidy, uncertain, inactive, impossible, untidy, incorrect, impatient
学习词组：tidy up, be usual for, be possible to do sth. all over the floor, right now
学习句子：It’s usual for me to stay at home all day,
It’s possible to sleep with al
2、 that noise.
I’m certain that I can fix it myself.
Things are all over the floor.
I’ll tidy up right now.
2. 技能目标：
1)学习用否定前缀un-、in-和im-构成反义形容词的方法。
2)学会使用否定前缀un-、in-和im-的形容词表达否定含义。
教学重点
学习用否定前缀un-、in-和im-构成反义形容词的方法。
教学难点
学会使用否定前缀un-、in-和im-的形容词表达否定含义。
学法指导
比较分析法。
教学过程
Step1：预习指导与检测 见导
3、学案
Step2：展示目标 见导学案
Step3：课堂导学与互动
任务一：Lead-in
Ask： How do you think about do-it-yourself?
• I think do-it-yourself is important
• It is really interesting to do it.
•
• I don’t think do-it-yourself is meaningful.
• I think do-it-yourself is important.
•
• It isn’t really interesting to
4、do it.
• It is really uninteresting to do it.
任务二Presentation
A prefix is a letter or a group of letters that add to the front of a word to form a new word.
任务三The prefixes un-,in- and im-
One of the most common prefixes for adjectives is un-. It means “not”. We add it to some adjectives to giv
5、e them the opposite meaning.
certain
comfortable
important
interesting
friendly
welcome
manned
We can use some other prefixes, such as in- and im-, to form new words with the opposite meaning.
active
correct
patient
possible
perfect
polite
personal
前缀dis-,dis- “不”、“无”，加在某些动
6、词或名词前构成反义词。
like
agree
Honest
Appear
order
believe
ability
任务四Add the correct prefixes to some of the adjectives so that all the sentences make sense. (Page51)
Check the answers with them.
Step4：总结提升
Step5：当堂反馈见导学案
Step6：布置作业
1.Copy new words and phrases.
2.Recite the dialogue
3. Finish the exercises in your exercise book .
再备
教学反思
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