Instruction
1
Remember, first, that such an adverb and a preposition, their significant features. An adverb is an unchangeable word, often characterizing the action or state. An adverb answers the questions "when?" "where?" "how?" "where?" "where?", "to what extent?", "why?" "why?", etc. Examples: "to work in good faith", "back home", "to rise early," "absolutely sure", "very helpful", "extremely scattered", "lost my temper the heat of the moment", "to spite the neighbor."
2
From adverbs:- no endings (vowel at the end of adverbs - suffix);- no communication with the possessive form of the noun.The adverb easily replaced by another analogue, similar words ("waste - nothing", "then - then").
3
Read the two sentences."He took a few steps ("where to?") to meet". Here "forward" is an adverb."To meet the guests came all households". In this case the same word is a preposition. Thus, adverbs play in a sentence with a certain syntactic role, and prepositions - no. In this example, the adverb "forward" as an immutable part of speech is not determined by and dependent words, and it adjoins to the verb as circumstances. The preposition "toward" is function word used in the second sentence to link nouns with other words.
4
Remember the morphology section on the pretext ofH. Prepositions can be simple ("no","","","", "", "at", etc.) and derivatives. Formation of the latter is the result of the transition in them: adverbs ("to live opposite a forest"); nouns ("to agree about a meeting"); gerunds ("thanks").
5
One of the main distinguishing adverbs from prepositions: you can't ask a question to the derivatives of the prepositionm, because they are unable to identify specific actions of characters or objects, though formed of the most significant parts of the speech. Compare the two sentences: "I know this area ("how?") the length and breadth" ("along" - adverb) and "We walked along the cliff" (here the same word is a preposition). "Near could see the lake" - the question of "where" in this sentence can I ask, does the word "near" here is an adverb. In the example "Near the road grazing cows", the preposition "near" is equivalent to the simple preposition "in" (compare "near the road, grazing cows").