情态动词是高中语法的重难点,也是高考考查的热点。下面就情态动词的几个易错易混点进行剖析,希望能引起同学们的注意。1.can与be able to1 can与be able to通常可以互换,但是can只能用于一般现在时和一般过去时,而be able to可用于各种时态。Can you guess what his job is?你能猜到他的工作是什么吗?Shall we be able to select two red balloons at a time?我们能够一次选择两只红气球吗?2 be able to可以与其他情态动词连用,而can Modal verb is a high school grammar heavy difficulty, but also a hot spot for college entrance examination. Below the modal verb of several easy to misunderstand point analysis, hoping to arouse the students’ attention. 1.can and be able to1 can and be able to usually be interchangeable, but can only be used for general present and general past, and be able to be used for a variety of tense. Can you guess what his job is? Shall we be able to select two red balloons at a time? Can we choose two red balloons at a time? Verbs, but can