Question

define assertive sentence, exclamatory sentence, imperative sentence, interrogative sentence

Answer 1

Assertive Sentence
An assertive sentence is a sentence that states a fact. Such sentences  are simple statements. They state, assert, or declare something .
Example :-
Sonali is a student.

Exclamatory Sentence
An exclamatory sentence , or exclamation , is a more forceful version of a declarative sentence. In other words, an exclamatory sentence makes a statement (just like a declarative sentence ), but it also conveys excitement or emotion. It ends with an exclamation  mark (!).
Example:-
Go confidently in the direction of your dreams!

Imperative sentence

 an imperative sentence is a type of sentence  that gives advice or instructions or that expresses a request or command. 
Example :-
Go now !


Interrogative sentence

It is a type of sentence that asks a question. 
Examples:-
Where do you want to go today?

Hope it helps...

Answer 2

Assertive sentence - An assertive sentence is a sentence that states a fact . such sentence are simple statements.

Exclamatory sentence - An Exclamatory sentence is a type of main clause that express strong feeling my making an explanation.

Imperative sentence - An imperative sentence is a type of sentence that gives advice or instructions a request or command.

Interrogative sentence - An interrogative sentence is a type of sentence that asks a question. Interrogative sentence are typically marked by inversion of the subjects and predicate.