Word classes (or parts of speech)
本帖最后由 深海鳗鱼 于 2019-3-9 19:34 编辑
All words belong to categories called word classes (or parts of speech) according to the part they play in a sentence. The main word classes in English are listed below.
Noun
Verb
Adjective
Adverb
Pronoun
Preposition
Conjunction
Determiner
Exclamation
NounA noun is a word that identifies:
a person (
man, g
irl, engineer, fri
end
)a thing (
horse, wall, flower, country
)an idea, quality, or state (
ang
er, courage, life, luckiness)Verb
A verb describes what a person or thing does or what happens. For example, verbs describe:
an action –
jump, stop, explore
an event –
snow, happen
a situation –
be, seem, have
a change –
evolve, shrink, widen
Adjective
An adjective is a word that describes a noun, giving extra information about it. For example:
an
excitingadventure
a
greenapple
a
tidyroom
Adverb
An adverb is a word that’s used to give information about a verb, adjective, or other adverb. They can make the meaning of a verb, adjective, or other adverb stronger or weaker, and often appear between the subject and its verb (She nearly los
t everything.
)Pronoun
Pronouns are used in place of a noun that is already known or has already been mentioned. This is often done in order to avoid repeating the noun. For example:
Laura left early because
shewas tired.
Anthony brought th
e avocados
with
him.
That
is the only option left.
Something
will have to change.
Personal pronouns are used in place of nouns referring to specific people or things, for example
I
,me
,mine
,you
,yours
,his
,her
,hers
,we
,they
, orthem
. They can be divided into various different categories according to their role in a sentence, as follows:· subjective pronouns
· objective pronouns
· possessive pronouns
· reflexive pronouns
Preposition
A preposition is a word such as
after, in, to, on,
andwith
. Prepositions are usually used in front of nouns or pronouns and they show the relationship between the noun or pronoun and other words in a sentence. They describe, for example, the position of something, the time when something happens, or the way in which something is done.Conjunction
A conjunction (also called a connective) is a word such as
and, because, but, for, if, or,
andwhen
. Conjunctions are used to connect phrases, clauses, and sentences.The two main kinds are known ascoordinating conjunctions
andsubordinating conjunctions
.Determiner
A determiner is a word that introduces a noun, such as a/an
,
the,
every,
this,
those,
ormany
(as in adog,
thedog,
thisdog,
thosedogs,
everydog,
manydogs
).The determiner the is sometimes known as the
definite article
and the determiner a (or an) as theindefinite article
.Exclamation
An exclamation (also called an interjection) is a word or phrase that expresses strong emotion, su
ch as surprise, pleasure, or anger. Exclamations often stand on their own, and in writing they are usually followed by an exclamation mark rather than a full stop.
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