How we form this tense? The future perfect = Will have + past participle of a verb Ex: – Find – Finish will have found will have finished Why we use this tense? We use the future perfect to express an action that will be complete (done) at a particular point of the future or when an action will happen or even before (=By) Some time expressions used with this tense are: By 1015, By the end of this year, ………………………………….… By (next) June, …………………………………………………… … By this time next year, ……………………………………… …….… By the time you arrive, ……………………………………….…….… Within two months’s time, …………………………………… …… Examples: 1) By the end of this month, we will have moved to a new house 2) By 2025, Morocco will have put an end to illiteracy 3) By the end of this school year, I will have studied English for four years 4) By the time you come back from work, I will have painted the door 5) I will have done my research paper within two year’s time Put the verbs between brackets in the future perfect tense By this time next month, they (build) …………………………… this Mosque It is expected that scientists (find) …………………………………… a cure to AIDS I (memorize) …………………………………… the Holy Qur’an within two year’s time By next Monday, I (learn) ……………………… all the common irregular verbs by heart Some people say that by 2015, the US dollar (collapse) ……………………… become valueless The Arabic teacher: Where is your textbook, Amine? Amine: I’m really sorry, teacher! I have not yet bought it But I promise: by next Monday, I (buy) ……………………… it Some people say that by 2022, Palestine (become) ………………………… free from the Zionist occupation By this time next month, they (will have built) this Mosque It is expected that scientists (will have found) a cure to AIDS I (will have memorized) the Holy Qur’an within two year’s time By next Monday, I (will have learnt) all the common irregular verbs by heart Some people say that by 2015, the US dollar (will have collapsed) become valueless The Arabic teacher: Where is your textbook, Amine? Amine: I’m really sorry, teacher! I have not yet bought it But I promise by next Monday, I (will have bought) it Some people say that by 2022, Palestine (will have become) free from the Zionist occupation N.B I will have done = I’ll have done