Form negative sentences with future perfect tense

Forming negative sentences in the future perfect tense is simple. The structure is similar to other negative forms in future tenses.

Sentence structure

1. Using "Will":

   Structure
   Subject + will + not + have + past participle (V3) + [rest of the sentence].

   Examples

   • I will not have cleaned the house by the time they arrive.
   • He will not have read the book by tomorrow morning.
   • We will not have arrived at the station before the train departs.

2. Using "Be Going To":

   Structure
   Subject + is/am/are + not + going to have + past participle (V3) + [rest of the sentence].
   

   Examples

   • She is not going to have learned French by next year.
   • They are not going to have solved the issue before the meeting.
   • We are not going to have reached our destination by sunset.

Comparison of affirmative and negative sentences

Practice questions

Select correct negative sentences using future perfect tense with given affirmative sentences.