九年级英语全册 Unit 6 When was it invented Section B（1a-1e.doc

Unit 6 When was it invented?
Section B,1a-1e & Self Check
一、Teaching Aims:
learn and to use new words
crispy sour by mistake customer
be able to use
"the passive voice of past tense"
二、Teaching key points:
(1) sentences: "the passive voice of past tense"
Eg. It was invented by a great man.
(2) new words and phrases:
crispy sour by mistake customer
三、Teaching difficult points:
★sentences: "the passive voice of past tense"
Eg. It was invented by a great man.
四、Teaching Aids:
1. a tape recorder
2. the blackboard
3. puter with PowerPoint
五、the first period (for one class)
六、Teaching steps
Step1: Review八大时态&被动语态
★八大时态
一般现在时:主语+动词原形/ 单三主语+动词的单三形式
一般过去时:主语+动词的过去式
现在进行时:主语+am/is/are/+v-ing
过去进行时:主语+was/were+v-ing
一般将来时:主语+will/shall+动词的原形
主语+be going to+动词的原形
过去将来时:主语+would+动词的原形
主语+was/were going to+动词的原形
现在完成时:主语+have/has+动词的过去分词
过去完成时:主语+had+动词的过去分词
★八大时态对应的八大被动语态
一般现在时的被动语态:主语+am/is/are/+动词过去分词+by sb.
(sb为宾格)
一般过去时的被动语态:主语+was/were+动词过去分词+by sb.
现在进行时的被动语态:主语+am/is/are/+being+动词过去分词+by sb
过去进行时的被动语态:主语+was/were+being+动词过去分词+by sb.
一般将来时的被动语态:主语+will/shall+be+动词过去分词+by sb.
过去将来时的被动语态:主语+would++be+动词过去分词+by sb.
现在完成时的被动语态:主语+have/has+been+动词过去分词+by sb.
过去完成时的被动语态:主语+had+been+动词的过去分词+by sb.
Step2: Learn the new words and expressions
1. crispy adj. 脆的;酥脆的
2. sour adj. 酸的;有酸味的
3. by mistake 错误地;无意中
4. customer n. 顾