Future Perfect Tense

Subject + will/shall + have + v.3 + Object.

ใช้กับเหตุการณ์ที่จะเกิดขึ้นและสิ้นสุดลงเมื่อถึงเวลานั้นๆ ในอนาคต
Examples.
– The company will have finished the construction project by next 10 years.
– The parade will have ended by the time Chester gets out of bed.
– We will not have eaten breakfast before we get to the airport tomorrow.
– They will not have finished decorating the float before the parade,

Future Continuous Tense

Subject + will/shall + be + V.ing + Object.

ใช้กับเหตุการณ์ที่จะเกิดขึ้นในชั่วระยะเวลาใดเวลาหนึ่งในอนาคต

Examples.
– I will be watching my shows from lunch until dinner.
– I will be working as a sales assistant from November to December.
– She will be speaking in the auditorium this evening.
– He will be studying for the test all night.