Parts of speech

In English grammar  there are a number of types or classes of words that make up sentences. These words can sometimes be interchanged to become different parts of speech. The parts of speech traditionally include:

Noun

any abstract or concrete entity; a person, place , thing(chair) , idea (happiness), or quality (bravery)

Pronoun

any substitute for a noun or noun phrase (him, her, she, it, them, they)

also includes:

  • personal pronoun - (I, me 


Adjective

any qualifier or attribute, quantity of a noun ( sweet, high, low)

Verb

any action (walk), occurrence (happen), or state of being (be, like), if you can put a 'to' in front it becomes a verb such as to walk, to tweet etc.

Adverb

any qualifier of an adjective, verb, clause, sentence, or other adverb that modifies by degree, or manner. For example gentlyroughly, carefully. Also here

Preposition

any qualifier of position of an a noun (usually) or pronoun for example on, after, in, out.

Conjunction

There are essentially joining words, such as and, but, if, however,

Interjection

any abrupt  exclamation (ah! eek! lol!  hi! )

Articles

Are words to emphasise a noun, such as the, a, an. These can sometimes convert a verb into a noun like run to The run.

Example:

The cat sat on the mat

  • The is the article
  • Cat is the noun
  • Sat is the verb 
  • On is the proposition
  • the is another article
  • mat is another noun

This sentence is also in the past tense.