2019-2020年高中英語 Unit 1Living with technologyGrammar and usage教案2 譯林版選修7Teaching aims: 1. Students are expected to review the usage of some mon prepositions to express time, place and movement, as well as how to use them in different situations.2. Students will also learn that prepositions can be bined with verbs, nouns and adjectives to form prepositional phrases and the ways to use them in various situations.3. Students will apply what they have learnt to practice by fulfilling some written tasks.ProceduresStep1. Lead-in Help students to review what prepositions are and how they are used by asking them to plete a story. Step2. Prepositions of timeProvide students with a passage and plete it with some prepositions and then ask students to make a conclusionthese prepositions are used to express time. Then explain the usage of these prepositions and do some related exercises. Step3. Prepositions of placeProvide students with a picture and ask students to describe the location of a high school in the picture. Then draw a conclusionthese prepositions are used to express place. Then explain the usage of these prepositions and do some related exercises. Step4. Prepositions of movementProvide students with a flash to express how some prepositions to express movement are used and give some detailed explanation. And then do some related exercises.Step5. ExtensionPrepositions to express means and “except, besides, but, except for”.Step6. Exercise on page 8Step7. Prepositional phrasesEncourage students to arrange the prepositional phrases listed to into three types: prepositional phrases with verbs; prepositional phrases with nouns; prepositional phrases with adjectives;Step8. ExtensionMore phrases bined with verbs, nouns and adjectives.Step9. Exercise on page 9Homework1. Review prepositions and prepositional phrases .2. Unit Revision: Period 5.