Understand how to build sentences using the future perfect verb continuous tense

• The future perfect continuous verb tense uses 4 kinds of verbs, 3 auxiliary verbs and 1 main verb.
• The auxiliary verb "will" does not change according to the subject.
  
• The auxiliary verb "have" always stays in the base form.
• -ing is added to the base form of the main verb.
• Negative Sentences - "not" is added between the auxiliary verb "will" and the main verb.
• Questions - the order of the sentence is changed. The verb "will" comes first, then the subject.

Positive Sentences

Examples:

• In ten minutes, I will have been waiting 1 hour for the bus.
• We will have been working here for 10 years in June.
• Robert will have been living in France for 1 year next month.
• We will have been saving money for many years, by the time you need to go to college.

Negative Sentences

Examples:

• I have not been waiting a long time.
• The cookies have not been baking 5 minutes. It takes them time before they are done.
• I have not been studying for many years; I guess it is time to go back to school.
• We have not been living in this house for 2 weeks, and already the walls are dirty.
• This car has not been working properly for the last few years, I think it is time to buy a new car.

Questions

Examples:

• Will I have been working here long enough to get an extra week vacation this summer?
• Will we have been living in the states long enough to get _________ next year?