【最新】五年级英语上册 Unit 12 Fire课件 牛津上海版-牛津上海版小学五年级上册英语课件

1、Module 4 firefireworkfiremenfire and heatput out fireno fireBe careful with fire.Fire can burn down a lot of trees.Fire can burn down houses.Fire can hurt people.表示“推测”的情态动词小结Use “must” to show that you think something is probably true. Use “might” or “could” to show that you think something is poss

2、ibly true. Use “cant ” to show that you are almost sure something is not true. 情态动词表示推测的用法情态动词表示推测的用法情态动词情态动词must，might/could， cant后接后接动词原形，可以表示对现在情况的推测。动词原形，可以表示对现在情况的推测。 情态动词情态动词汉语意思汉语意思 推测可能性推测可能性mustcould/mightcant “肯定、一定肯定、一定” 100% “不可能不可能” 0% “可能、也许可能、也许” 20-80% WhoWho is he? is he?He He cant

3、be cant be _._. 不可能是不可能是/ /一定不是一定不是He He could/might be could/might be _._. 可能是可能是/ /也许是也许是He He must be must be _._. 肯定是肯定是/ /一定是一定是 WhoWho is she? is she?She She cant be cant be _._. 不可能是不可能是/ /一定不是一定不是She She could/might be could/might be _._. 可能是可能是/ /也许是也许是She She must be must be _._. 肯定是肯定是/ /

4、一定是一定是 WhoWho is he? is he?He He cant be cant be _._. 不可能是不可能是/ /一定不是一定不是He He could/might be could/might be _._. 可能是可能是/ /也许是也许是He He must be must be _._. 肯定是肯定是/ /一定是一定是What mustnt we do?We mustnt play with the matches. We must be careful with fire.What mustnt we do?We mustnt smoke in the forest. We must be careful with our behavior.What mustnt we do?We mustnt swim in the river. We must be careful with water.What mustnt we do?We m