外研版（2019）高中英语必修第三册 Unit3_Using_language_精品课件.pptxVIP

必修三 Unit 3 The world of science (2)高一年级 英语 Lesson 2 Using languagePresent perfect passive Learning objectives1. Sum up the structure and usage of the present perfect passive through discovering, analyzing and comparing.2. Change sentences from the present perfect active into the present perfect passive in the passage.3. Try to use the present perfect passive in different contexts properly. inventionThe New Age of InventionRevise advancePara. 4Para. 12Find out sentences with the two words below. The New Age of InventionRevise Find out sentences with the two words below.invention1. There have been golden ages of invention throughout history.2. Think of the four great inventions in ancient China: gunpowder, papermaking, printing, and the compass.3. Then there were the great western inventions: the steam engine, the telephone and the radio. Para. 4 The New Age of InventionRevise Find out sentences with the two words below.invention1. There have been golden ages of invention throughout history.2. Think of the four great inventions in ancient China: gunpowder, papermaking, printing, and the compass.3. Then there were the great western inventions: the steam engine, the telephone and the radio. Para. 4 The New Age of InventionRevise Find out sentences with the two words below.advancePara. 12Now, reduced energy supplies and environmental pollution have led to more advances in the technology of new energy vehicles. The New Age of InventionRevise Find out sentences with the two words below.advancePara. 12Now, reduced energy supplies and environmental pollution have led to more advances in the technology of new energy vehicles. Revise Find out sentences with the two words below.structure1.There have been golden ages of invention throughout history.2. Now, reduced energy supplies and environmental pollution have led to more advances in the technology of new energy vehicles.usagePresent perfect Revise Present perfectStructurehave/has done肯定句主语 + have/has + done.否定句主