Future-Perfect-Tense

Future Perfect Tense

The future perfect tense in English is not very common, but it is useful in some situations. It is used to express an action which will occur in future and is thought to be completed in future. It expresses a sense of completion of an action which will occur in future.
Uses of future perfect tense:
• It is used to talk about future action that will be finished before some specified point in the future.
Examples.
Before they come, will have cleaned up the house.
Adnan will have eaten the whole cake by the time the birthday party starts.
• It is used to talk about actions will last after a given point in the future.
Examples.
By the next year, I will have known Jack for 30 years.
John will have lived in Faisalabad for 20 years by 2012.
Note: Time expressions that are commonly used with the future perfect are:
By
By the time
Before
By tomorrow/7 O’clock/next month
Until/till
• It is used to express conviction that something happened in the near past.
Examples.
The train will have left by now. We have to look for another way to get there.
(I am sure the train has left.)
The guests will have arrived at the hotel by now.
(I am sure the guests have arrived at the hotel.)

Sentence Structure of Future Perfect Tense

Structure of positive sentence: 
Subject + will + have + 3rd form of verb (past perfect participle) + Object.

Simple Sentences:
She will have gone to the market. 
They will have gone to the market
He will have visited his aunt’s home.
 I will have visited my aunt’s home.
It will have rained in winter. 
We will have played a cricket match.
Sarah will have written a letter. 
You will have eaten a burger.

Structure of negative sentence: 
Subject + will + not + have +3rd for of verb (past perfect participle) + Object.

Negative sentences:
They/We/You Will not Have Watched T.V.
He/She Will not Have Spoken French properly.
I Will not Have Visited my aunt’s home.
It Will not Have Rained in Nepal daily.

Structure of interrogative sentence: 
Will + Subject + have + 3rd form of verb (past perfect participle) + Object?
Interrogative Sentences:
Will They/We/You Have Made a cake on Sunday?
Will He/She Have Taken too much tea?
Will I Have Visited my aunt’s home?
Will It Have Rained in Bhutan daily?