yea
yes
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.
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.
Would it be a sentence or a phrase? If a sentence, no, it would be incorrect. If a phrase, yes, it would be correct. I like the phrase!
No attention should be paid to those who are superstitious about which words may begin a sentence. No way, Hosea ! No matter what, keep looking straight ahead.
Schoolteachers would tell you that it is forbidden to begin a sentence with the word 'and'. This could well be a myth as writers have been using it this way for many years. However, you should be encouraged to form more complex sentences by not allowing the use of a conjunction to start a sentence
Yes, using that as a noun or an adjective. Such as: "That which is truth is believable." "That car was parked in my driveway." There are more convoluted forms: "That all of our efforts failed is extremely disheartening."
Yes, starting a sentence with "then" is grammatically correct, especially when showing a sequence of events or actions. However, it is usually used sparingly to avoid overuse and maintain variety in sentence structure.