1. Action/situation:
Doctors began using morphine in the
1860s.
Question:
By 2010, how long will doctors have
been using morphine?
Answer: By
2010, doctors will have been using morphine for about 150 years.
2. Action/situation:
I started writing my book in November.
Question: By May, how long will I
have been writing my book?
Answer: By
May, I will have been writing my book for six months.
3.
Action/situation:
I became a computer programmer in 1997. I am still a computer
programmer.
Question: In 2050, how long will I
have been a computer programmer?
Answer: In
2050, I will have been a computer programmer for 53 years.
Explanation: The verb is be (am),
which is a stative verb. Therefore, we use the future perfect.
4.
Action/situation:
Brian started looking for a job on Sunday.
Question: On Tuesday, how long will
Brian have been looking for a job?
Answer: On
Tuesday, Brian will have been looking for a job for 3 days.
5.
Action/situation:
Ever since Mei drank it in 2001, she has preferred drinking black tea
over anything else.
Question: In 2004, how long will Mei
have preferred drinking black tea?
Answer: In
2004, Mei will have preferred drinking black tea for 3 full years.
Explanation: The verb is
prefer, which is a stative verb. Therefore we use the future
perfect.
Drinking is a
gerund.
6.
Action/situation:
People began taking pictures in the 1830’s.
Question: By 2080, how long will
people have been taking pictures?
Answer: By
2080, people will have been taking pictures for 150 years.
7.
Action/situation:
My family and I started vacationing in Hawaii in 1975.
Question: In 2005, how long will we
have been vacationing in Hawaii?
Answer: In
2005, we will have been vacationing in Hawaii for 30 years.
8.
Action/situation:
I lent Jimmy $20 on Tuesday, and he said that he was going to return the
money on Thursday. Today is Saturday.
Question: By tomorrow, how long will
Jimmy have owed me money?
Answer: By
tomorrow, Jimmy will have owed me $20 for 5 days.
Explanation: The verb is owe,
which is a stative verb. Therefore we use the future perfect.
9.
Action/situation:
MyEnglishTeacher.net began teaching English to the world in October
2000.
Question: By the end of this year,
how long will MyEnglishTeacher.net have been teaching English to the
world?
Answer: By
the end of this year, MyEnglishTeacher.net will have been teaching the
world English for 3 years.
10.
Action/situation:
I moved to Seoul in 1998. I have lived there ever since.
Question: By the end of the year,
how long will I have been living in Seoul?
Answer: By
the end of the year, I will have been living in Seoul for 4 years.
-OR-
By the
end of the year, I will have lived in Seoul for 4 years.
Explanation: The
verb is live, which is a verb that can be used in both the
future perfect and future perfect progressive. Both of these
sentences have the same meaning..
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