Future Perfect Continuous
Note: Negative questions are usually asked with contractions especially in spoken English.
Note: Native English speakers often say "gonna" instead of "going to", this is very informal and grammatically incorrect.
Note: Negative questions are usually asked with contractions especially in spoken English.
Note: There is no difference in meaning between the contractions and alternate contractions.
Note: Native English speakers often say "ain't" as a contraction of "am not, is not, or are not", this is very informal and gramatically incorrect .
The future perfect continuous tense is used to talk about ongoing actions which will be completed by a certain point in the future, this tense must always include a deadline. The future perfect continuous may be formed with the modal verb -will or the structure "be going to". The future perfect continuous tense requires the auxiliary verb -be in its past participle form (-been) to be combined with the present participle of a dynamic verb. The present participle form of all verbs (regular and irregular) are formed by adding -ing to their infinitive form. This tense should only be used with dynamic verbs (actions that have a clear beginning and end) not stative verbs (actions that describe states).
Note: Some stative verbs have both a stative form and a dynamic form.
This tense is used to:
1) To talk about actions that will be completed before a deadline.
Time Expressions
The future perfect tense must be used with deadlines, a deadline is specific point in time in future before which the action in the future perfect must be completed. Here are some examples of how to express deadlines.
Formation - Affirmative Statements & Questions
Affirmative statements in the future perfect continuous tense are formed with the modal verb -will followed by the infinitive form of the verb -have, the verb -be in it's past participle form (-been), and the present participle of a dynamic verb. Modal verbs are not conjugated depending on the subject, they remain the same for all subjects and they have their own negation and question forms. There is also a second way to form the future perfect tense with the structure "be going to" followed by the infinitive form of the verb -have, the verb -be in it's past participle form (-been), and the present participle of a dynamic verb, this structure require the verb -be in the structure "be going to" to agree with the subject, this structure is used more in conversation and is generally more informal. The modal verb -will is generally more appropriate when expressing facts while the structure "be going to" is more appropriate when expressing decisions and intentions. Questions are formed by placing the modal verb -will before the subject followed by the infinitive form of the verb -have, the verb -be in it's past participle form (-been), and the present participle of a dynamic verb, alternatively questions may be formed with the structure "be going to" in which case the verb -be is placed before the subject followed by the phrase "going to", the verb -be in it's past participle form (-been), and the present participle of a dynamic verb.
Will
Structure used to form affirmative statements in the future perfect continuous tense
Subject + will have been + present participle of a dynamic verb
Structure used to form affirmative questions in the future perfect continuous tense
Will + subject + have been + present participle of a dynamic verb?
Examples:
Ex: I'll have been living in New York for 3 years by next month.
Ex: The war will have been going on for more than 2 years when they sign the peace treaty.
Ex: Will they have been going out for more than a year before they get married?
Ex: By the time the last act ends, we'll have been sitting in our seats for over 5 hours.
Be going to
Structure used to form affirmative statements in future perfect continuous
Subject + am / is / are + going to have been + present participle of a verb
Structure used to form affirmative questions in the future perfect continuous
Am / Is / Are+ subject + going to have been + present participle of a verb?
Examples
Ex: Before the summer begins, I'm going to have been working out for over 6 moths.
Ex: She's going to have been practicing the piano for over 2 years when they finally let her join the band.
Ex: Is he going to have been standing by for over 2 hours at 5pm?
Ex: On September 19th, Mark is going to have been touring for 3 months.
Formation - Negative Statements & Questions
Negative statements in the future perfect continuous tense are formed with the modal verb -will followed by the adverb -not, the infinitive form of the verb -have, the verb -be in it's past participle form (-been), and the present participle of a dynamic verb. Modal verbs are not conjugated depending on the subject, they remain the same for all subjects and they have their own negation and question forms. There is also a second way to form the future perfect tense with the structure "be going to" followed by the adverb -not, the infinitive form of the verb -have, the verb -be in it's past participle form (-been), and the present participle of a dynamic verb. This structure require the verb -be in the structure "be going to" to agree with the subject, this structure is used more in conversation and is generally more informal. The modal verb -will is generally more appropriate when expressing facts while the structure "be going to" is more appropriate when expressing decisions and intentions. Questions are formed by placing the modal verb -will before the subject followed by the adverb -not, the infinitive form of the verb -have, the verb -be in it's past participle form (-been), and the present participle of a dynamic verb, alternatively questions may be formed with the structure "be going to" in which case the verb -be is placed before the subject followed by the structure "not going to", the past participle of the verb -be in it's past participle form (-been), and the present participle of a dynamic verb. Negative questions are meant to express surprise, confirm information, or encourage agreement.
Will
Structure used to form negative statements in the future perfect continuous
Subject + will not / won't + have been + present participle of a dynamic verb
Structure used to form negative questions in the future perfect continuous
Will + subject + not have been + present participle of a dynamic verb?
Examples
Ex: I won't have been dieting for more than a month before I lose 10 pounds.
Ex: The plane will not have been flying for even an hour when it lands.
Ex: Won't Charles have been going to college for 5 years by the time he graduates?
Ex: The kids won't have been paying attention for more than 5 minutes before they start getting distracted.
Be going to
Structure used to form negative statements in the future perfect continuous
Subject + am / is / are + not going to + present participle of a dynamic verb
Structure used to form negative questions in the future perfect continuous
Am / Is / Are + subject + not going to + present participle of a dynamic verb?
Examples
Ex: By tomorrow, I'm not going to have been preparing enough for the presentation, I need more time.
Ex: They're not going to have been riding more than an hour before they make it to the lake.
Ex: Aren't you going to have been looking for work for more than 3 months by next week?
Ex: Mark isn't going to have been relaxing for long before the next wave of customers come.
Future Perfect Continuous uses
To talk about ongoing actions that will be completed before a deadline
Will
Examples
Ex: I'll have been getting royalties for more than 9 months when the contract expires.
Ex: On the 19th she'll have been working independently for more than 3 months.
Ex: Microsoft will have been developing the next version of Windows for 5 years before they release it.
Ex: Will the car have been running for more than an hour before you get to the repair shop?
Ex: James will not have been waiting more than 40 minutes when they call him.
Ex: Won't the city have been building the bridge for more than 10 years by the time it opens?
Ex: The mining company won't have been operating in the region much time before the upcoming elections.
Ex: I'll have been enjoying many months of sunshine in Miami before I get back to New York.
Be going to
Examples
Ex: I'm going to have been getting royalties for more than 9 months when the contract expires.
Ex: On the 19th she's going to have been working independently for more than 3 months.
Ex: Microsoft is going to have been developing the next version of Windows for 5 years before they release it.
Ex: Is the car going to have been running for more than an hour before you get to the repair shop?
Ex: James is not going to have been waiting more than 40 minutes when they call him.
Ex: Isn't the city going to have been building the bridge for more than 10 years by the time it opens?
Ex: The mining company isn't going to have been operating in the region much time before the upcoming elections.
Ex: I'm going to have been enjoying many months of sunshine in Miami before I get back to New York.
Future Perfect Continuous - When not to use
The Future perfect continuous tense should not be used with actions that are sudden and have short durations. Actions that start and finish quickly sound strange in the future perfect continuous tense because it seems as if we will do them repeatedly or that they will be ongoing actions when we describe them with this tense. In these cases we should use the future perfect tense instead.
Examples
Ex: I will have been receiving a phone call by tonight. - incorrect
I will have received a phone call by tonight.
Ex: He will have been opening his birthday gift before we leave. - incorrect
He will have opened his birthday gift before we leave.
Ex: She will have been taking her medication before she goes to her medical appointment.- incorrect
She will have taken her medication before she goes to her medical appointment.
Ex: Mark will have been turning 42 years old on the 25th. - incorrect
Mark will have turned 42 years old on the 25th.
Note: Note: Native English speakers often say "gonna" instead of "going to", this is very informal and grammatically incorrect.