Grammar is the system of a language in which words are put together to construct proper sentences.

Parts of speech are a category of words that have similar use and function.

Words are the smallest part of sentence that has distinctive meaning and function. Words are divided into 8 categories based on the similar grammatical properties.

The 8 parts of speech are as follows:

1. Noun

2. Pronoun

3. Verb

4. Adjective

5. Adverb

6. Preposition

7. Conjunction

8. Interjection

Apart from these eight parts of speech, there is another category of words that has similar properties and they are called Article or Determiner.

Determiners

Articles

Two get mastery over English Grammar, you should also know about:

Person

Case

Number

Gender

Voice

Direct and Indirect Speech

To specify the exact time and action, these three types of tense further divided into four types each. They are:-

Present Tense
Present Indefinite Tense

Present Continuous Tense

Present Perfect Tense

Present Perfect Continuous Tense

Past Tense
Past Indefinite Tense

Past Continuous Tense

Past Perfect Tense

Past Perfect Continuous Tense

Future Tense
Future Indefinite Tense

Future Continuous Tense

Future Perfect Tense

Future Perfect Continuous Tense