Tenses ( present perfect continuous )
Present perfect continuous Declarative - subject + has/have + been + Ving I have b een writi ng my homework since morning. He has been reading the book for two hours. Yes/no - has/have + subject + been + Ving Have I been writing a book? Has he been reading the book since morning ? W.h. word question - w.h. word + has/have + subject +been + Ving What have I been writing ? Where has he been reading the book ? Negative - subject + has/have + not + been + Ving I have not been writing a book. ...