Not having statistical information, I believe "and" would have to be easily the most commonly used conjunction.
The most commonly used conjunction to join simple sentences that contrast with each other is "but."
No, "to" is a preposition, not a conjunction. It is commonly used to indicate direction, purpose, or extent.
No. The word no is an adjective, and arguably an adverb. It cannot be used as a conjunction.
No, "though" is not a preposition. It is commonly used as a subordinating conjunction or an adverb in sentences.
If is not a preposition. It is a conjunction.
The most commonly used conjunction to join simple sentences that contrast with each other is "but."
But, Or, Nor, For, Yet, And
No, "to" is a preposition, not a conjunction. It is commonly used to indicate direction, purpose, or extent.
No. The word no is an adjective, and arguably an adverb. It cannot be used as a conjunction.
No, "though" is not a preposition. It is commonly used as a subordinating conjunction or an adverb in sentences.
No, "that" is not a conjunction. It is commonly used as a relative pronoun or subordinating conjunction in sentences to introduce dependent clauses.
If is not a preposition. It is a conjunction.
I passed a wrought iron fence yesterday. The word is most commonly used in conjunction with ornate handcrafted ironwork.
Yes. The word why can be a conjunction, indicating a reaon or cause. It forms restrictive dependent clauses.
No, it is not a conjunction. It is a prepositional phrase used as an adjective phrase.
The word "after" can be an adverb, but it is most commonly used as a preposition or a conjunction. The more common adverbs are "afterwards" and "thereafter." After is more commonly an elliptical adverb: "I left before lunch, and came back after."
No. The word neither is an adjective, a pronoun, or a conjunction (neither/nor is a correlative conjunction).