present perfect continous tense all about

english grammer
positiv form i/we/you/he/she/ SENTENCE STRUCTURE- SUBJECT+HAD+BEEN+VERBIST+ING+OBJECT +SINCE/FOR+TIME EXAMPLES- I had been going school since monday. He had been going to school for three years. she had been going to school since morning. we had been going to school for a week. you had been going to school since 9o clock. they had been going to school since jaunry 2006. NEGETIVE FORM- SENTENCE STRUCTURE SUBJECT+HAD+NOT +BEEN+VERBISTFORM+ING+OBJECT+SINCE/FOR+TIME EXAMPLES- I HAD NOT BEENT GOING TO SCHOOL DINCE MONDAY. he had not been going to school since three years she had been not going to school since morning. we had not going to school for a week. you had not benn going to school sincr 2o clock. they had not been going toi school since january 2010. INTEROGATIVE FORM- SENTENCES STRUCTURE- HAD+SUBJECT+BEEN+VERBS 1ST FORM+ING+OBJECT+SINCE/FOR+TIME EXAMPLES- had i been going to school since monday had we been going to school for a week had they going m,arket since 2010 had thry playing cricket for a week