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Hi there. It's not usual to use Future forms in time clauses. Could teachers correct me?
it's incorrect to say this way, isn't? "When is she going to be here?"
So, right way is supposed to be: "When is she here?"

Thank in advance.
Comments  
You've got the wrong end of the stick, Fandorin! Direct questions like those you gave as examples are perfectly fine with the future. And so are all main clauses.
What that statement means is:
It is not usual to use future forms in subordinate (adverbial) time clauses -- subordinate clauses introduced by when, before, after, until, once, as soon as, etc.

I will be ready when you will be are.
After Peter will finish finishes the reading the book, he'll tell us about it.
Time flies. Before you will know it, it will be Christmas.
I'm going to wait until Tom will arrive arrives.
Once the girls will arrive, we can begin the party.
Turn on the lights and yell "Surprise" as soon as Victor will open opens the door.
____
The same applies to an if clause:
Will it be a problem if we will arrive too early?
CJ
Thank you so much, CalifJim. Emotion: smile
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It's told that we can use will in if-clause in case clause is an Object. Is it OK in modern English?

"I doubt if he will come on party tonight."
FandorinIs it OK in modern English?
Yes.
I state that principle differently:
You can use will in an if-clause (or when-clause) when the if-clause (or when-clause) is an embedded question.
I don't know [ if / when ] he will arrive.
I wonder [if / when] she will be ready.
I haven't decided yet [if / when] I will attend the conference.
CJ
I got it. Thank you, CJ.
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but in that sentence the sentence starting with if should be noun clause.

I doubt is main clause

the second part if he will come...............is noun clause.

we could be careful at this point.
Seloc@nI doubt is main clause

the second part if he will come..is noun clause.
Yes, an embedded question may be analyzed as a noun clause. That's true.

CJ
Both ways are correct!!!!!
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