Yes, as long as it is followed by a complete sentence.
Example:
At the time of the accident, he had been drinking.
At the time of the accident = an incomplete sentence, a phrase
At the baby shower, she announced that she's expecting twins. (complete sentence)
At the K-mart store, he filled out a job application. (complete sentence)
No, You cannot use but to start a sentence.
The ceremony is about to begin.
You always want to begin a new sentence with capitalization
Yes. There is no word or phrase in English that cannot begin or end a sentence.
Yes. There is no word or phrase in English that cannot begin -or end - a sentence.
The panel will begin the inquiry shortly.
The word 'is' can begin a sentence but not be a question when it is the subject of the question. Example sentence - Is can be the subject in a sentence. But only in sentences of that type (above) or, 'Is' is a two letter word. Otherwise is cannot begin a sentence.
Yes. There is no word that cannot begin an English sentence.
It is possible to have a sentence with the word it at the beginning, as this sentence proves.
yes you can
Never
Of course you can. There is no word in English that cannot begin a sentence.