He is reading.is在这里是助动词还是联系动词?

He is reading.is在这里是助动词还是联系动词? He is reading.is是助动词还是联系动词? He is reading.is是助动词还是联系动词? He is reading a book. 补充句子:He is reading 我知道在一些主系表句子中的动词ing形式是现在分词.如：It is interesting.那现在进行时中的动词ing形式是现在分词吗?如：He is reading.reading在这里是现在分词吗?如果是：那就应该是和is一起构 He is reading.是主系表结构吗?我在语法书上看到is是助动词 也同时是系动词吗? The book is worth reading.这里的worth 是系动词吗?reading He is reading a newspaper now 这里的now可不可以省略 He needs to know what he is missingmiss在这里是什么意思?是想要的意思吗? He used to__in the sun,but now he is used to__at night A.read,read B.reading,read C.read,reading D.reading,reading 正确答案是： He is still reading.变成一般疑问句 He is taking and reading a book. He is reading a book 变成一般将来时 he newspaper you are reading is rubbish he is reading when it is raining.对 readinghe is reading when it is raining.对 reading 提问. He is in the Reading Club.He is _____ _____ _____the Reading Club .(同义句转换) what is he like?这句话对吗?like在这里是什么意思?不能是动词了吧