Lesson 9 Be careful! 课件

课件21张PPT。Lesson 9Be careful!Guessing GameKeep slience! Be quiet!Guessing GameDon’t smoke! No smoking!Guessing GameDon’t play football!Guessing GameNo parking！ Guessing GameDon’t eat!Guessing GameDon’t pick the flowers!祈使句 : 是表示请求、命令、建议等句子， 通常说话的对象是第二人称you, you常被省略。定义Read and observe(观察)Be quiet！Be careful! Be clean!Keep slience!Stand up!Come in!祈使句的句型： Be + 形容词！ 动词原形 + 其他！变否定直接把Don’t 放到句首！Don’t be late! Don’t smoke!Be ! It’s dangerous. Don’t the tree. Don’t the wire. It’s dangerous. It’s dangerous. Don’t run ! Don’t . It’s dangerous.climb, careful, play with fire, touch , downstairsBe careful ! It’s dangerous. Don’t climb the tree. Don’t touch the wire.(电线) Don’t run downstairs ! Don’t play with fire . It’s dangerous.climb, careful, play with fire, touch , downstairsBe careful, be careful. Don’t run downstairs. It’s dangerous. Don’t climb the window. It’s dangerous. Don’t play with fire. It’s dangerous. Be careful, be careful.祈使句之“否定”凡是以行为动词开头的祈使句，一律在行为动词前加don’t。- Drink the water, please. - Don’t drink the water, please.Don’t talk, please.I’m sorry.That’s all right.^%@!^ …Wow …Don’t walk on the grass.I’m sorry.That’s all right.Don’t smoke on the farm.I’m sorry.That’s all right.Don’t go fishing, please.I’m sorry. That’s all right.Practice timeDon’t pick the flower!Don’t pick the oranges!Don’t touch the dog!Don’t climb the tree!Practice timeDon’t climb the tree! Don’t touch the dog!Don’t pick the oranges!Don’t pick the flower!Practice timeThank you!