These prepositional phrases may be used either as adjectives or as adverbs, so we have our definitions: +A preposition is a word that shows the relation of its object to some other word.
For instance, we have already found that some words, without changing their form, may be used either as a noun or as a verb.
Sometimes the same word may be used eitheras an adjective or as an adverb, and you may have some difficulty in telling whether it is an adjective or an adverb.
So better and best can be used either as adjectives or adverbs; but good is always an adjective.
The comma, the colon, or the semicolon may be used either alone or in connection with the dash.
The distilled water of the Oaken bud, before they break out into leaves is good to be used either inwardly or outwardly, to assuage inflammations, and to stop all manner of fluxes in man or woman.
It is of much use both for men and women that have weak backs, and helps to strengthen the reins: used either by itself, or with other herbs conducing to the same effect, and in tansies often.
Monardus saith, it is a counter poison against the biting of any venomous creature, the herb also being outwardly applied to the hurt place.
They grow ordinarily in fields, pastures, and woods, but that with the white flowers not so frequently as the other.
Silk is usually turned through the cold decoction, but for wool the decoction is used either hot or boiling.
The ink may be used either with a pen, or a stencil plate and brush; if it do not flow freely from the pen it may be diluted with a little water without fear of weakening the intensity of the colour.
It is also in great use as a disinfectant, and may be used either in substance or solution.
Wheat partly damaged by long keeping in granaries, may be employed for the manufacture of starch, as this constituent suffers less injury than the gluten; and it may be used either in the ground or unground state.
The idea originally attached to the word having proceeded from false logic, the word itself should never be used either in science or manufactures.
Gunpowder is used either in grain, half crushed, or finely ground, for different purposes.
It may be used either absolutely, as being without bounds; or relatively, as being confined within any limits we choose to give it.
Most active verbs may be used either transitively or intransitively.
Note: Maid is used either adjectively or in composition, signifying female, as in maid child, maidservant.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "used either" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.