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　　lesson 43
　　ⅰteaching materials
　　1.functional and notional items
　　learn to state some measurements
　　2.language points
　　word: correct
　　phrase: hand in
　　sentences: mr. bell is two meters tall.
　　the ground must be dug in winter.
　　grammar: the use of modal verbs in the passive voice
　　ⅱteaching objectives
　　1.learn to state some measurements and use the modal verbs in the passive voice.
　　2.read the whole lesson fluently and correctly.
　　3.master the new language points.
　　ⅲteaching points
　　1.the main points---(1)&(2) in the teaching objectives
　　2.the difficult points (1) hand in 交上来 hand it in
　　(2) the use of modal verbs in the passive voice.
　　ⅳteaching procedure
　　1.organization of the class
　　today, we’re going to talk about how to state the measurement and how to use the modal verbs in the passive voice.
　　2.revision
　　a.go over the language points in lesson 42.
　　stopkeepprevent sb. from doing something
　　…long wide
　　blow…away
　　move towards
　　will be covered
　　must be planted
　　point to
　　thanks to
　　b.retell the passage
　　3.the teaching of the new lesson
　　a.lesson 43
　　we know the great green wall is 7000 kilometers long. what about the great wall? how long is the great wall? let’s go on to learn lesson 43.
　　b.talk about some objects
　　how long is the great wall? how wide?
　　get the ss to measure their desk and talk about it.
　　then talk about the door, window, classroom and their own height.
　　c.part 1
　　match them and talk about how to state measurement.
　　…long wide deep thick tall high away
　　d.do wb. ex. 2
　　e.part 2
　　do you remember how to plant a tree?
　　get the ss to match them and read them together.
　　point out : must be done should be done
　　conclude the use of modal verbs in the passive voice.
　　f.part 3
　　rewrite the sentences and ask the ss to pay attention to the use of modal verbs in the passive voice.
　　g.do wb. ex. 1&3
　　h.conclusion
　　1.measurement
　　2.the use of modal verbs in the passive voice.
　　4.homework
　　a.go over the whole lesson