I am reading是主系表结构还是主谓宾结构?为什么?

I am reading是主系表结构还是主谓宾结构?为什么? I am reading books,( ) I am a teacher的句法结构请问一下这句话是主系表结构还是主谓宾结构? I am reading an (i ) book I am i( ) in reading books. I am reading a book that is about a famous musician 还是应该说成The book I am reading is about a famou a musician I am reading a book .对reading提问 英语翻译I am reading a book loudly. i am reading some newspapers about fashion I am reading a book改为疑问句 i am reading something丶是什么意思? I am reading books tommorrow.为什么 I am in the classroom.这句话是什么结构?I是主语,am是be动词,in the classroom是地点状语那这句话是主系表结构还是主谓结构?求专业人士解答! 改同义句 I am in a Reading Club.I am ( )( )( ) the Reading Club. I am reading a book.翻译成“我正在读书”还是“我正在读一本书”? i am ( )a book under the tree 括号里填finding还是reading?能告诉我为什么吗？谢谢 I am reading a book which/that it is about a robbery.用which还是that?为什么? hello i am feom canada i love reading