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Laborious Posted 11 years ago
Grammar

Is using a future-tense verb form words such as "after", "before", "when", and so on always incorrect

Hello, 

I have come to know that using a future-tense verb form after words such as "after", "before", "when", "until", and so on is incorrect grammatically. I'd like to ask you people if it's always incorrect to so or if there are certain situations where this rule applies, please. 

Thank you. 
  

Top answer

One example (noun clause): He doesn't know when the plane will arrive. Incorrect: When the plan will arrive, we will be there waiting at the gate.

  • One example (noun clause): He doesn't know when the plane will arrive.
  • Incorrect: When the plan will arrive, we will be there waiting at the gate.
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5 Answers
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One example (noun clause):
He doesn't know when the plane will arrive.

Incorrect:
When the plan will arrive, we will be there waiting at the gate.
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So, you mean saying "I won't go to office when it will rain" would be incorrect because, here, the clause "when it will rain" isn't a noun clause. It doesn't function as the object of the verb as, in your example, the clause "when the plane will arrive" functions as the object of the verb "know". Right, ma'am?
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Another type of counterexample with "when", though again it is not the "at the time at which" meaning of "when" that the rule is (I assume) supposed to apply to:

"This difference will go on increasing, until February 10th, or 11th, when the clock will appear to lose time, and by the 25th of March ..."

(This is just one I randomly Googled.)

In this case "when" means "at w
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LaboriousRight, ma'am?
Yes.
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LaboriousHello, I have come to know that using a future-tense verb form after words such as "after", "before", "when", "until", and so on is incorrect grammatically. I'd like to ask you people if it's always incorrect to so or if there are certain situations where this rule applies, please. Thank you.
You can add "if" to your list.

1) It is grammatic

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