外研版高中英语必修二教案（黑龙江专用）：必修2M2（3）.doc

teaching goals 教学目标1. target language目标语言重点句式. in order (not) to . p14. so as (not)to . p14. so . p15. as a result . p15. as a result of . p152. ability goals 能力目标enable the ss to use the infinitive of purpose and adverbial clause of result correctly.3. learning ability goals 学能目标help the ss learn how to use the infinitive of purpose and adverbial clause of result.teaching important & difficult points教学重点和难点the usages of the infinitive of purpose and adverbial clause of result. teaching methods教学方法explanation and practice.teaching aids教具准备 a projector and a computer.teaching procedures & ways教学过程与方式step i revision check the ss homework by asking some of them to translate some important sentences.t: good morning / afternoon, boys and girls. have you finished your homework? whod like to translate the important sentences we learned last class?s: id like to.t: 我曾经是个吸毒者。s: i used to be a drug addict.t:当我十五岁的时候，我第一次吸烟。s: i first started smoking when i was 15.t: 他给我一些烈性可卡因。s: he offered me some crack cocaine. t: 可卡因是一种强性的使人上瘾的药品。s: cocaine is a powerfully addictive drug. t: good. thank you.step ii preparation t: look at the sentences on the screen please. pay attention to the underlined word in each sentence. read them quickly and find out what usage each underlined word belongs to. here i have provided you some choices.1. they came to help me.2. the train is to leave at 7:00.3. he hurried home only to find his money stolen.4. he wants me to go.5. john was the first to arrive.a: to indicates arrangement.b: to indicates purpose.c: to indicates result.d: to follows certain verbs.e: to has an adjectival function.a few minutes later.t: have you finished?s: 1b; 2a; 3c; 4d; 5e.t: very good! step iii grammar 1 let the ss do activity 1. a few minutes later, check the answers.t: from the practice, we can see to has many different uses. but today well learn one of them. that is, to indicates purpose. now read the two sentences in activity 2. what are the uses of in order to and so as to?s: both of them indicate purpose.t: well, we know that to can indicate purpose, but we can also use other forms, such as in order to and so as to. now finish the four sentences using in order to or so as to.let the ss do activity 2. a few minutes later, check the answers.t: now lets come to activity 3. read the two sentences quickly. the two sentences use the negative forms of in order to and so as to. we should pay attention to the position of not in the two phrases. now complete the five sentences according to the meaning of each sentence.a few minutes later, check the answers with the whole class. then deal with ex. 1 in workbook on page 73.step iv functionask the ss to read the sentences and translate them into chinese. let the ss understand the meanings of so, as a result and as a result of. then ask them to read the sentences again and pay attention to the differences in usage of the three. especially as a result and as a result of. at last finish the six sentences.t: very good. now lets compare the usages of them. look at the following on the screen:(cause) + as a result + (result)(result) + as a result of + (cause)(cause) + so + (result)as a result + clauseso + clauseas a result of +n. / pronoun. / doingt: do you know the differences between them?s: yes.then deal with ex. 4 in workbook on page 73.step v grammar 2ask the ss to read the six sentences in activity 1 on page 16 and then answer the two questions. .t: then whats the difference between so and such?ss: so + adj. / adv. such + a / an + adj. + nount: very good! any other differences?ss: no.t: ok. ill tell you. when the adjectives are many, much, few, little etc. we should use so. besides, we should also pay attention to another use of so and such. so + adj. + a / an + noun = such + a / an + adj. + nounfor example, such an interesting book. we can also express it like this: so interesting a book. so far, do you know the usages of so and such? s: yes.t: now, complete the six sentences in activity 2 with so or such.a few minutes later, check the answers to the six sentences and then t