be动词作系动词时的注意事项答:be单独做谓语,一定是联系动词。可以解释为:是,在等。当be+to do, be +going to do, be +about to do, be +used to doing, be+doing, be +Ved时,be 为助动词。当will be ,shall be, can be, may be , must be, used to be, ought to be,do be, needn't be, 时,be为...
be动词与系动词的关系答:be动词就是属于系动词的,而且是最重要的系动词,此外系动词还包括持续系动词,比如keep, rest, remain, stay, lie, stand等等,表像系动词主要有seem, appear, look,感官系动词 主要有feel, smell, sound, taste,变化系动词主要有become, grow, turn, fall, get, go, come, run等,希望能帮...