รูปแบบ
Future perfect continuous tense ประกอบไปด้วย 2 ส่วน ได้แก่
will have been (รูป future perfect ของกริยา 'to be') + กริยา+ing (present participle)
| ประธาน | + will have been | + กริยา+ing |
|---|---|---|
| He | will have been | playing. |
| I | will have been | playing. |
การใช้ To live ใน future perfect continuous tense
| ประโยคบอกเล่า | ประโยคปฏิเสธ | ประโยคคำถาม | ประโยคคำถามเชิงปฏิเสธ |
|---|---|---|---|
| I will have been living | I won't have been living | Will I have been living? | Won't I have been living? |
| You will have been living | You won't have been living | Will you have been living? | Won't you have been living? |
| He will have been living | He won't have been living | Will he have been living? | Won't he have been living? |
| We will have been living | We won't have been living | Will we have been living? | Won't we have been living? |
| They will have been living | They won't have been living | Will they have been living? | Won't they have been living? |
การใช้
Future perfect continuous tense มีความคล้ายคลึงกับ future perfect tense เนื่องจากใช้พูดถึงเหตุการณ์หรือการกระทำที่เกิดขึ้นแล้วแต่ยังไม่เสร็จสิ้นตอนนี้แต่จะเสร็จสิ้นในอนาคต ส่วนใหญ่แล้วจะใช้คู่กับคำศัพท์ที่ใช้บอกเวลา
ตัวอย่างเช่น
- I will have been waiting here for three hours by six o'clock.
- By 2001 I will have been living in London for sixteen years.
- When I finish this course, I will have been learning English for twenty years.
- Next year I will have been working here for four years.
- When I come at 6:00, will you have been practicing long?