"Go!" is the shortest complete sentence, since an imperative (an order, such as "Go!" ) can stand alone in English without a subject. In this kind of sentence, the pronoun "you" is the implied subject.
'What a drunkard you are' is a grammatically correct English sentence.
Hi!
'Were you' is grammatically correct, as it gives us a subject (you), and a time (past), although it is not a full sentence, which requires a location. So you could say 'Were you upstairs?' and it be a 100% grammatically correct English sentence.
You need to learn the rules of English grammar to be able to correct sentences.
"That was wrong" is a grammatically correct sentence.
This sentence is not grammatically correct. For the sentence to be grammatically correct, the space between "in" and "to" would have to be removed. Therefore the sentence should read "They are into skating."
The sentence is grammatically correct.
That sentence is grammatically correct.
Yes, it is grammatically correct.
'Rhoda's crazy' is grammatically correct.
"I love you" is grammatically correct.
This sentence is grammatically correct.