It is necessary that grammar
- it is necessary that grammar
- it is important that grammar
- it is essential that grammar
- it is required that grammar
On the question of the grammar of the example sentences, however, only "It is necessary that I be there on time" is correct in American English..
Is That “That” Really All That Necessary?
Syntaxis workshop attendees often have questions about the word “that.” One common question is whether “that” can be omitted from certain sentences, as in:
She said he was a hard worker.
instead of
She said that he was a hard worker.
The answer is yes.
English.stackexchange.com › questions › what-is-the-difference-between-it-.
If the meaning of a sentence without the “that” is unambiguous, and if you prefer the way the sentence sounds without it, delete away.
Here are several other acceptable sentences with an implied rather than explicit “that”:
Susan proved she could do it.
Mark and Barbara claimed they would be able to complete the project by 5:00 p.m.
The presentation they gave last night was fascinating.
In some cases, deleting an unnecessary “that” can help reduce repetition.
You have probably encountered sentences with multiple instances of “that” in quick succession, as in:
He said that the report that Janet was writing would show that our costs had been spiraling out of control.
Instead of writing “that” three times in this (currently inelegant) sentence, delete a couple of unnecessary ones.
B
- should of or should have grammar
- what is are grammatically