Unit 12 Fire（写作突破专项训练）英语牛津上海版三起五年级上册

Unit12仿写法介绍火

        

01 写作方法指引-原文指路

Fire can burn down a lot of trees. It can hurt people too. We must be careful with fire.（火的坏处）We have a fire. Fire gives us heat and light.（火的好处）

02 写作方法指引-仿写法

例句：Fire can burn down a lot of trees.

仿写：Fire can burn down a lot of houses.

例句：Fire gives us heat and light.

仿写：Fire gives us warmth.

03写作方法指引-示例写作方法指引-示例

Fire is useful for us. We use it to cook tasty food at home. It helps us have nice meals every day.（火的用途）But fire is also very dangerous. It can burn down trees in the forest. It may hurt people too if we are not careful.（火的危险）We must follow fire safety rules: Don't smoke in the forest. Don't play with matches at home. Being careful with fire keeps us safe.（消防安全注意事项）

 

          

01 基础知识精讲-句型

1. 介绍火的用途

参考词汇

用途类：fire（火）、useful（有用的）、heat（热）、light（光）、cook food（烹饪食物）、keep warm（保暖）

描述类：help us（帮助我们）、in cold days（在寒冷的日子里）

参考句型

Fire is useful in our lives.

We use fire to cook food for our meals.

It gives us warm heat and bright light in cold or dark days.

Fire helps us have nice and warm lives.

2. 介绍火的危险

参考词汇

危险类：dangerous（危险的）、burn down（烧毁）、hurt people（使人受伤）、careless（粗心的）、forest（森林）

描述类：easily（容易地）、badly（严重地）

参考句型

But fire is very dangerous if we are careless.

It can burn down houses and forests easily.

It can also hurt people badly.

We need to be careful with fire.

3. 介绍消防安全注意事项

参考词汇

规则类：must（必须）、mustn't（禁止）、be careful with（当心）、play with matches（玩火柴）、smoke（吸烟）、play near fires（在火旁玩耍）

祈使句类：Don't（不要）

参考句型

We must be careful with fire.

We mustn't play with matches at home.

We mustn't smoke in the forest.

Don't play near fires—it's dangerous.

02 基础知识精讲 - 语法

语法 1：must 与 mustn't 的用法（表示必须 / 禁止）

语法结构

表示 “必须做某事”：主语 + must + 动词原形 + 其他

表示 “禁止做某事”：主语 + mustn't + 动词原形 + 其他

参考例句

We must be careful with fire.（我们必须当心火）

We mustn't play with matches.（我们禁止玩火柴）

语法 2：一般现在时（描述火的常态用途 / 危险）

语法结构

主语（I/we/ 复数名词）+ 动词原形 + 其他

主语（单数名词 / 第三人称单数）+ 动词三单形式（加 s/es）+ 其他

参考例句

Fire gives us heat and light.（主语 fire 是单数，动词 give 变三单 gives）

We use fire to cook food.（主语 we 是复数，动词用原形 use）

It burns down trees if we're careless.（主语 it 是单数，动词 burn 变三单 burns）

1.用 must 或 mustn't 填空

① We _________ be careful with fire.

② We _________ play with matches at home.