No, it is not a preposition.
Used for a verb, it is a compound adverb: going back, and forth.
Used to describe a movement, it is a compound adjective: a back-and-forth motion
"Forth" can function as an adverb or a preposition.
The word back in "back into" is a verb or adverb. The word "into" is a form of in that is also a preposition. "He went back into the room." (back is an adverb; into the room is a prepositional phrase used as an adverb; into is a preposition) "Don't back into that tree." (back is a verb, into the tree is a prepositional phrase used as an adverb, into is a preposition)
No.The word "back" can be a noun (your back, the back side of something), a verb (to back up), an adjective(he's back, meaning returned) or an adverb (to go or move back).The word back is sometimes combined with or modified by a preposition, such as in back in the saddle, back at the house, and back to the future. But it is not used as a preposition.
Himself is not a preposition. It's a reflexive pronoun.
No. Yourself is a pronoun, not a preposition. It is the reflexive (self-directed) form.
"Forth" can function as an adverb or a preposition.
The word back in "back into" is a verb or adverb. The word "into" is a form of in that is also a preposition. "He went back into the room." (back is an adverb; into the room is a prepositional phrase used as an adverb; into is a preposition) "Don't back into that tree." (back is a verb, into the tree is a prepositional phrase used as an adverb, into is a preposition)
since back signifies a direction I would say it is used as a preposition in this case.
Yes, they can. For personal pronouns, the objective case is used (me, him, them, and so forth).
No.The word "back" can be a noun (your back, the back side of something), a verb (to back up), an adjective(he's back, meaning returned) or an adverb (to go or move back).The word back is sometimes combined with or modified by a preposition, such as in back in the saddle, back at the house, and back to the future. But it is not used as a preposition.
The word for walking back and forth is "pacing."
Run back and forth.
A Latin preposition signifying for, before, forth., For, on, or in behalf of, the affirmative side; -- in contrast with con.
The Lyons Den - 2012 Back Back Forth and Forth 1-3 was released on: USA: 9 March 2012
The man ON the platform was staring back at me. This is an example sentence for preposition.
Himself is not a preposition. It's a reflexive pronoun.
The back and forth movement is most commonly attributed to oscillations.