he is reading book?主语+be+现在分词。 主语：he be：is 现在分词：reading 是这样的吗？不对请指正啊。

He is reading a book. He is taking and reading a book. He is reading a book 变成一般将来时 He is reading a book.(对划线部分提问）reading a book划得线. He is a writer reading book .句中的reading book 句子成分分析 He like reading book beat!-Reading book is his ____.并解释为什么要这样填, 能不能帮我把reading,book,he,a,is is he reading an book English (.)连词成句 he sat at the window,___a book.read,reading,to read,is reading He is ____ because he is reading a ____ book.(无聊) he read book is fast 和he fast is reading有什么不一样 that book is worth reading is jenny reading _____interesting book? He is reading a book .对看书提问.——————he _____? He says that he is reading a book now划分句子成分. 有关英语特殊疑问句问题He is reading a book !about amimals!(!到!表示划线)（就划线部分提问）------- -------- -------- book is he reading? It is a interesting book that he is reading这句话有语病不? she is reading a book对reading a book提问