By the time the concert ends, we _________________ here for 3 hours.a)...
To answer this question, we need to understand the concept of future perfect tense. The future perfect tense is used to describe an action that will be completed before a specific point in the future. In this case, the specific point is the end of the concert.
The correct answer is option A: "will have been sitting."
Explanation:- The verb "to be" is used in the future perfect tense as "will have been."
- The verb "to sit" is used in the present participle form as "sitting."
- By combining these two, we get the correct answer: "will have been sitting."
Breaking down the options:A:
will have been sitting
- This option correctly uses the future perfect tense with the verb "to sit" in the present participle form. It is the correct answer.
B:
will have sitting
- This option is incorrect because it does not use the correct form of the verb "to sit" in the future perfect tense.
C:
will have been sit
- This option is incorrect because it does not use the correct form of the verb "to sit" in the future perfect tense.
D:
will have sat
- This option is incorrect because it uses the past participle form of the verb "to sit" instead of the present participle form required by the future perfect tense.
In conclusion, the correct answer is option A: "will have been sitting."