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1、Lesson16HowSafeIsYourHome 课前自主预习 课堂互动探究 Unit3Safety 课前自主预习 Lesson16HowSafeIsYourHome certainly certain themselves salt scissors knife knives heat Lesson16HowSafeIsYourHome burn burned burnt burned burnt 阻止 预防 毒药 毒物 滑倒 becarefulwith putout Lesson16HowSafeIsYourHome falloff leave alone 小苏打 洗淋浴 Lesson1
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6、Home D 3knifen 刀 观察 Hewoundedhisarmwhileusingtheknife 他用刀的时候把自己的手臂割伤了 Becarefulwithknives 小心用刀 Lesson16HowSafeIsYourHome Lesson16HowSafeIsYourHome 探究 knife的复数形式是 knives 记忆口诀巧记以 f e 结尾的名词变复数规则 树叶半数自己黄 妻子拿刀去割草 架后窜出一只狼 就像小偷逃命忙 leaf 树叶 half 一半 self 自己 wife 妻子 knife 刀子 shelf 架子 wolf 狼 thief 小偷 life 生命 这9
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8、ie lay的用法如下 burn的过去式和过去分词可以是规则变化burned 也可以是不规则变化burnt 它可用作及物动词 也可用作不及物动词 用作及物动词时 后面接名词或 词作宾语 Lesson16HowSafeIsYourHome 代 4 Thereisacandle burn inmyroom Lesson16HowSafeIsYourHome burning 句型透视 Don tusewatertoputoutkitchenfires 不要用水来扑灭厨房的火 Lesson16HowSafeIsYourHome Lesson16HowSafeIsYourHome 探究 1 句的否定形式
9、以don t开头 表示请求 建议或命令对方不要做某事 Don tstandonchairs 不要站在椅子上 2 putout意为 用作及物动词短语 若宾语为名词 则放在put与out之间或之后均可 若宾语为代词 则必须放在二者之间 Firefighterssoonputthefireout 消防人员很快把火扑灭了 祈使 扑灭 Lesson16HowSafeIsYourHome 拓展 put的常用短语 puton穿上 戴上 体重 增加 上演 戏剧等 putaway放好 把 收起来putdown把 放下 写下 平息put in into把 放进 装进 里putup举起 张贴 搭建putoff推迟
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