No, but you can make a sentence with the word suddenly. Suddenly it started to rain.
No, "suddenly" is not a complete sentence. It is an adverb that describes how an action is performed in a sentence.
A question mark should be used at the end of the sentence because it is a question.
Using commas with introductory adverbs is a stylistic consideration. Using a comma in this situation is never incorrect, but many writers have recently started omitting the comma. You could also try moving the adverb around in the sentence, expunging this problem completely: instead of saying "Suddenly, the filled cup fell off the table," you could write "The filled cup suddenly fell off the table," or "The filled cup fell off the table suddenly."
The linking verb in the sentence is "turned," as it connects the subject "it" to the adjective "dark."
No, "suddenly" is an adverb that describes how an action is carried out or when something happens. It is not a linking verb, which connects the subject of a sentence to a subject complement that describes or renames it.
I had to brake suddenly to avoid hitting the deer and prevent a break in the fence.
Suddenly.
Suddenly the boy whacked me on the head.
Suddenly, The door slamed closed
Suddenly, The door slamed closed
suddenly loomed ahead. Predicate is everything except the subject. The subject in this sentence is 'A steep mountain'
Suddenly she lashed out menacingly
Had
Yes, if followed by a comma.
Suddenly, we encountered the lunch lady.
I can give you several sentences.Suddenly, the lights flickered and went dark.He suddenly began to cry.We were suddenly surrounded by pygmies.
The common noun in the sentence is screams.
A man was walking down the road when suddenly his sentence was interrupted by the earthquake.