yes
yea
It can be, but not all the time.
Yes. A grammatically correct sentence (to begin with) has to have a subject (int this case, hand) and a verb (is). The sentence does need to be capitalized and punctuated correctly though...
Yes. Strictly speaking For example at the beginning of a sentence is what is called an "absolute," grammatically unconnected to the rest of the sentence.
Any word that may begin a sentence may begin a paragraph.
"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."
Yes, it is grammatically correct to begin a sentence with a preposition in certain cases, especially in informal or conversational writing. However, it is generally avoided in formal or academic writing.
Yes. There is no word that cannot begin an English sentence. But that does not mean that it is always a good way to begin one.
The sentence is grammatically correct.
The sentence "Rhoda's Crazy" is not grammatically correct. It is missing a verb to make a complete sentence.
'What a drunkard you are' is a grammatically correct English sentence.