内蒙古满洲里市第五中学九年级英语上册《Module 12 Save our world》教案3.docVIP

【教学目标】 Knowledge objective To practice word-building: compounds, derivatives, conversion Ability objective Enable students to learn how to protect environment and Earth Hour. Moral objective To arouse the awareness of students protecting environment. 【教学重点】 To learn word-building: compounds, derivatives, conversion 【教学方法】 PWP method, task-based method 【教学手段】 A tape recorder, multimedia and some pictures 【教学过程】 Teaching Procedures: Step 1 Language practice Reuse means “use again”. Though pollution is heavy now, I don’t think it’s hopeless. Step 2 Make a new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once. A –able -ful im- -less re- un- B care collect hope possible use usual wanted waste Step 3 Now work in groups. Play the guessing game English for Fun. English for Fun full of care ____________ 2. can be collected ____________ 3. full of hope ____________ 4. without any hope ____________ 5. not possible ____________ 6. not usual ____________ 7. without any use ____________ 8. use again ____________ 9. not wanted ____________ 10. making a lot of waste ____________ Step 4 Learning to learn Step 5构词法 1. 合成法 将两个或两个以上独立且语义不同的单词合在一起构成新词的方法叫做合成法。合成法是一种比较灵活的构词方法，可以合成名词、形容词、副词、代词、动词等。例如：afternoon, sportsman, blackboard, sportsperson, newspaper, airplane, classmate, grandfather 等就是通过合成构词法构成的名词；kind-hearted, middle-aged, hard-working 等为合成形容词；however, maybe, himself, everyone, nothing, overlook 等也都是通过合成法构成的单词。 2. 派生法 通过在词根前面加前缀或在词根后面加后缀构成一个新词的方法叫作派生法。要通过派生法理解和记忆单词, 我们需要掌握常见的前缀和后缀及派生规律。 (1) 常见前缀 前缀 含义 例词 dis- 不 disagree, dislike en- 使……处于某种状态 enable, enrich im-, in- 不 impossible, impatient, inexpensive inter- 在……之间, 相互 international, interconnect mis- 错误地 mislead, misunderstand non- 不, 非 non-smoker, non-native re- 再, 重复 rewrite, rete