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人教版（2019）英语选择性必修一《Unit 3 Fascinating Parks》Learning about language 优质课ppt课件
Unit 4 Body Language
Period 3 Learning about language
Discovering Useful Structures：-ing form of verbs
How can you describe the man in the picture? Try to use -ing form.
The man looking himself in the mirror is going to his friend's wedding.
The man having received an invitation from his friend is going to a party.
The man was well prepared, looking at himself in the mirror.
Discovering Useful Structures：-ing form of verbs
How can you describe the young woman in the picture? Try to use -ing form.
The woman walked across the street, staring at the ground.
The woman stood at the roadside, waiting for someone anxiously
The woman stood at the roadside, crossing her arms.
Discovering Useful Structures：-ing form of verbs
How can you describe the boy in the picture? Try to use -ing form.
The boy being attacked by a fierce dog is scared.
Having been treated badly, the dog began to attack the naughty boy.
The dog barked at the boy, trying to scare him away.
Discovering Useful Structures：-ing form of verbs
动词的-ing形式具有动词的特征，同时又具有名词、形容词和副词的特征，因此它可以在句中作主语、表语、定语、宾语、宾语补足语和状语。
-ing形式是由动词原形加词尾-ing构成。