In Grammatically Correct Sentences?

In order for a sentence to be grammatically correct, the subject and verb must both be singular or plural. In other words, the subject and verb must agree with one another in their tense. If the subject is in plural form, the verb should also be in plur al form (and vice versa).

What is a grammatically correct sentence examples?

Verbs of being:

For example: I am Brendan. This is a grammatically correct sentence because it has both the 'I' (the subject) and 'am' (the verb). The sentence is simply saying that I exist as a person called Brendan.

Is it grammatically correct to use that that in a sentence?

A: When a sentence has two words back to back, like “that that” or “this this,” we hear an echo. ... But your sentences are good examples; both are grammatically correct and neither requires any special punctuation. Let's look at them one at a time. (1) “I can see that that is going to be a problem.”