Module 4,fire,firework,firemen,fire and heat,put out fire,no fire,Be careful with fire,Fire can burn down a lot of trees,Fire can burn down houses,Fire can hurt people,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 “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must，might/could， cant后接 动词原形，可以表示对现在情况的推测,肯定、一定” 100,不可能” 0,可能、也许” 20-80,Summary,Who is he? He cant be _
