Two such words are had and that:
In a line of dialogue in a story. Or if you are quoting a person. So if you were to say and 7 times consecutively, and i quoted you on paper, it would be grammatically correct.
Both are grammatically correct, but the normal word-order is "you are correct." The inverted word-order of "correct you are" is used for an emphatic, ironic or humorous effect.
No. It's only grammatically correct if one says "has been"
The word "they're is pronounced grammatically correct. It is the shortened version of the words "they are".
No it isn't a grammatically correct word.
no
No it's not correct. The word "am" only sounds grammatically correct with the pronoun of I
8 times. I already told you that: that that "that" (that "that" that that teacher used) was grammatically correct.
The correct spelling of the word "grammatically" is G-R-A-M-M-A-T-I-C-A-L-L-Y.
No. After the word and comma can not be used, as it is grammatically inappropriate to use comma after conjunctions such as and, which are called coordinate conjunctions.
If the 'hr' is referring to the word 'hour' then yes, it is grammatically correct. When deciding whether to use 'A' or 'An', it depends on the pronunciation, not the letter used. In the word 'hour' you do not pronounce the 'h', so it sounds like it starts with an 'o', so you would use 'an'.The abbreviation 'an hr' is not grammatically correct. It should be written 'an hour/An hour'. Sometimes 1hr or 2hrs is okay depends on the situation.
Yes, it is grammatically correct to end a sentence with the word "so." However, it may be informal or conversational in style.