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 possibly true. •Use “can’t ” to show that you are almost sure something is not true. •Use “must” to show that you think something is probably true. •Use “might” or “could” to show that you think something is possibly true. •Use “can’t ” 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 must ， might/could ， can’t 后接动词原形，可以表示对现在情况的推测。 情态动词汉语意思 推测可能性mustcould/mightcan’t “ 肯定、一定” 100% “ 不可能” 0% “ 可能、也许” 20-80% Who is he?He can’t be __________. 不可能是 /一定不是He could/might be _____. 可能是 /也许是He must be __________. 肯定是 /一定是 Who is she?She can’t be __________. 不可能是 /一定不是She could/might be _____. 可能是 /也许是She must be __________. 肯定是 /一定是 Who is he?He can’t be __________. 不可能是 /一定不是He could/might be _____. 可能是 /也许是He must be __________. 肯定是 /一定是What mustn’t we do?We mustn’t play with the matches. We must be careful with fire.What mustn’t we do?We mustn’t smoke in the forest. We must be careful with our behavior.What mustn’t we do?We mustn’t swim in the river. We must be careful with water.What mustn’t we do?We mustn’t fishing in the river. We must ……We mustn’t ……What must/mustn’t we do ……?
