The future perfect continuous tense is used to describe an action that will continue up until a certain point in the future, emphasizing the duration of the activity before that future time or event�����.Structure and FormulaThe basic structure for the future perfect continuous tense is:"Subject + will have been + present participle (verb + ing) + rest of the sentence"���.Examples:“I will have been waiting here for three hours by 6 o’clock.”��“By 10 PM, he will have been working on the project for six hours.”�UsageTo express an action that starts before a point in the future and continues up to that time���.To emphasize the duration or length of time an action is ongoing until a specified future moment�.Often used with time expressions such as “for two hours,” “since last year,” or “by the time…”����.Examples“She will have been studying for five hours by the time you arrive.”�“They will have been living in this city for a decade by next year.”��“Will you have been practicing long when I arrive?”�Negative and Interrogative FormsNegative: “Subject + will not have been + present participle”Example: “He will not have been sleeping for very long.”��Interrogative: “Will + subject + have been + present participle?”Example: “Will she have been waiting here for ten minutes?”�This tense is sometimes called the future perfect progressive tense and is mainly used to look back on a process (not a finished result) from a specified future point, emphasizing how long it will have continued��. #learningenglish #speakenglish #speakconfidentenglish #easyenglisheveryday #learnenglish #spokenenglish #englishgrammar #english #speak