Global warming Period 3 Grammar—the Use of “It”(2)
global warming period 3 grammar—the use of “it”(2)整體設(shè)計(jì)
教學(xué)內(nèi)容分析
this teaching period mainly deals with the grammar：the use of “it”.“it” has many usages in the english language.“it” can be used as a pronoun and the form of subject and object，and be used to express emphasis.from unit 3 we know that “it” can be used as a pronoun and the form of subject and object.in this unit we will learn that “it” can be used to express emphasis.this kind of sentence is called emphasized sentences.its main form is “it is/was...that/who...”，which is a very useful sentence pattern.
三維目標(biāo)設(shè)計(jì)
knowledge and skills
1.to get the students to know the structure of the emphasized sentences.
2.to let the students learn the usages of the emphasized sentences.
3.to enable the students to use the emphasized sentences correctly and properly.
process and methods
1.to ask the students to read the reading passage again，pick out the emphasized sentences from the reading passage and translate them into chinese.
2.to ask the students to discover the structure and usages of the emphasized sentences by comparing a lot of example sentences.
3.to ask the students to do the exercises in discovering useful structures on page 29 to master the emphasized sentences.
4.to ask the students to summarize the usages of the emphasized sentences.
5.to ask the students to do the exercises in using structures on page 64 and some other additional exercises for consolidation.
emotion，attitude and value
1.to get the students to become interested in grammar learning.
2.to develop the students' ability of comparing and summarizing.
教學(xué)重、難點(diǎn)
1.to get the students to master the structure and usages of the emphasized sentences.
2.to enable the students to learn how to use the emphasized sentences.
教學(xué)過(guò)程
step 1 revision
1.check the homework exercises.
2.dictate some new words and expressions.
step 2 warming up
ask the students to compare the two sentences below.the second sentence is from the reading passage.translate them into chinese and then discuss any difference in meaning and form.ask the students to explain why “it” is used in the second sentence.
human activity has caused this global warming.
it_is human activity_that has caused this global warming.
tell the students there are two more sentences in the text in which “it” is used for emphasis.find them and then write them down.
________________________________________________________________________
________________________________________________________________________