Relative clause

Debpriya DeHe is the lawyer that we don't know if is going to attend the meetng or not.
Is the above sentence correct ?

I suppose it's grammatical, but a native speaker would NEVER say it. (He might write it, if he's very inept.)

It's extremely awkward.

"He is the lawyer that we don't know if is going to attend the meetng or not."

AvangiI suppose it's grammatical

No, no! There's no subject in the ifclause!

Cool BreezeThere are other ways to convey the intended idea.

I'm sure the poster realized that.
The question is, how can we use the relative pronoun here.

I think he's asking about that specific structure.

Debpriya DeHe is the lawyer that we don't know if is going to attend the meetng or not.
Is the above sentence correct ?

I analysed it as follows :

He is the lawyer that we don't know if ___ is going to attend the meeting or not.

It's not correct. You can't dip down into a subordinate clause with an explicit subordinator or comple

I found the sentence very awkward too, but just didn't know why.

I guess then the following sentences with conditional subordinates would be wrong too.

1. "This is the lawyer who if you don't pay____ in advance, he will throw your case".

2. "This is the lawyer who, if you don't pay him in advance,____ will throw your case".

Debpriya De1. "This is the lawyer who if you don't pay__ in advance, he will throw your case".
2. "This is the lawyer who, if you don't pay him in advance,__ will throw your case".

The second one is OK because the clause (he/who) will throw your case is not within the scope of the if-clause. In fact, switching the order of the clauses shows