In my other post (Is "complete list" idiomatic?), I said
The question is, is "complete list" also idiomatic?
In another post ("to write things with" vs. "to write things"), I said
The question is that, is it more idiomatic or natural when using the preposition with?
I've also found lots of people use these expressions.
I guess both are "that" clause, the former omits the word "that".
Are both grammatical and idiomatic?
How about this one?
I am aware of the usage of ... The question is the tense.
I guess the 3rd way I propose the question would be probably grammatical and idiomatic.
