Yes:
The children went over the river and through the woods to get to grandmother's house.
No. It is not a preposition. Twice is an adverb.
you use a preposition usally at the end of a sentence.
Nouns, pronouns, gerunds, and noun phrases can commonly stand after a preposition in a sentence.
twice is a preposition who would ask that stupid question
One is the preposition "with" -- "I agree with the proposal." But it could also be "to" -- "I agree to the proposal."
No. It is not a preposition. Twice is an adverb.
I walked to the shop
you use a preposition usally at the end of a sentence.
Here is preposition used in a sentence. Adverb phrases use a preposition to tell what, when and how an action can occur.
Nouns, pronouns, gerunds, and noun phrases can commonly stand after a preposition in a sentence.
There is a ball under the bed.
We might see you after the movie.
twice is a preposition who would ask that stupid question
One is the preposition "with" -- "I agree with the proposal." But it could also be "to" -- "I agree to the proposal."
no it depends on if there is a prepositional phrase
There is no preposition in that sentence. The aeroplane flew in the sky. 'In' is a preposition in this sentence
In the sentence "Who asked for the textbook?," the preposition is the word FOR. Who is not a preposition; it is a pronoun.