Could you help me with the math problem?Sorry,it's hard for me ,t_英语解答

Could you help me with the math problem?Sorry,it's hard for me ,too.Ask Jim,he ( ).
A.may know B.may be know 答案为什么选A

人气：288 ℃　时间：2019-11-09 07:39:57

解答

may是情态动词,后面接动词原形.be动词不能和动词原形连用.be动词若连着一个动词,这个动词得是过去分词或者是动词ing形式,分别表示被动和正在进行（或者将要进行）.