英语3.-Tom is never late for work. Why is he absent today?3.-Tom is never late for work. Why is he absent today?-Something _______ to him.a.must happen b.should have happened c.could have happened d.must have happened为什么
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![英语3.-Tom is never late for work. Why is he absent today?3.-Tom is never late for work. Why is he absent today?-Something _______ to him.a.must happen b.should have happened c.could have happened d.must have happened为什么](/uploads/image/z/4141799-71-9.jpg?t=%E8%8B%B1%E8%AF%AD3.-Tom+is+never+late+for+work.+Why+is+he+absent+today%3F3.-Tom+is+never+late+for+work.+Why+is+he+absent+today%3F-Something+_______+to+him.a.must+happen++++++++++++++b.should+have+happened+c.could+have+happened+++++++d.must+have+happened%E4%B8%BA%E4%BB%80%E4%B9%88)
英语3.-Tom is never late for work. Why is he absent today?3.-Tom is never late for work. Why is he absent today?-Something _______ to him.a.must happen b.should have happened c.could have happened d.must have happened为什么
英语3.-Tom is never late for work. Why is he absent today?
3.-Tom is never late for work. Why is he absent today?
-Something _______ to him.
a.must happen b.should have happened
c.could have happened d.must have happened
为什么
英语3.-Tom is never late for work. Why is he absent today?3.-Tom is never late for work. Why is he absent today?-Something _______ to him.a.must happen b.should have happened c.could have happened d.must have happened为什么
考的是情态动词.
从前句判断,tom从不迟到,今天却缺席了.那一定是发生了什么.
表“一定”,肯定的推断,应当用must,先排除BC
此外,tom已经缺席,说明事情已经发生了,所以用完成时态.
答案选D.
4 表示很肯定的虚拟语气
D,MUST DO对现在比较肯定的猜测,MUST HAVE DONE,对过去比较肯定的猜测。句子意思如下:TOM从不迟到,今天怎么没来?
肯定有事情发生了
情态动词+动词原形 表现在动作
情态动词+have+动词原形 表已经发生的动作
must ,could 表推测,前者肯定,后者否定
could还可以表能力
情态动词后的动词使用原型,所以是A