Question

the plane ____by two hours
(a)will have taken off
(b)will be took off
(c)will take off
(d)will be taking off​

Answer 1

The correct tense to use in the sentence will be:

The plane will have taken off by two hours.

Future perfect tense

• In English Grammar, future perfect tense is used to illustrate an action that will occur or is expected to occur at some time in the future.
• In the sentence above, as the statement illustrates that the plane is expected to be taken off by two hours, hence future perfect tense will be used to fill in the blank.
• The formula for future perfect tense is:  will have + [past participle].

Answer 2

Answer:

The plane will have taken off by two hours.

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