Learning your grammar is a very important task because it helps you expresses yourself easily and effectively. The basic thing as a toddler that we learn in grammar school is the parts of speech.
The basic elements of grammar are nouns that could relate to a place, a person or a thing; verbs which relate to the action that is being performed by the noun and the adjectives are the descriptions of the nouns. For example, I can make a mean chilly. Here, chilly as well as I am the nouns while making is the verb and mean is the adjective.
Infographic Source: popchartlab.com