ngilizce Dersleri Gramer Konu Anlatm : FUTURE PERFECT TENSE
POSITIVE FORM NEGATIVE FORM QUESTION FORM S + will have +been+VING + O S + will not have + been +VING + O Will + S +have+been + VING+ O By 7 oclock, I will have been working for 9 hours. By 7 oclock, I will not have been working for 9 hours...