Question

explain this all sentences given in the photo

Answer 1

An imperative sentence gives a command. It usually ends with a period, but it may also end with an exclamation point (!). Commands ask or tell people to do something.
Interrogative is a term used in grammar to refer to features that form questions. Thus, an interrogative sentence is a sentence whose grammatical form shows that it is a question. Such sentences are sometimes said to exhibit an interrogative mood—thus treating interrogative as one of the grammatical mood.
In English grammar, an exclamatory sentenceis a type of main clause that expresses strong feelings by making an exclamation. (Compare with sentences that make a statement, express a command, or ask a question.) Also called an exclamative or an exclamative clause.
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Answer 2

Ans.

1. Imperative sentence : A sentence which prescribes any person to be advised, requested, ordered, suggested, etc is called Imperative sentence.
Example - Obey your elders. (Advice)

2. Interrogative sentence : A sentence (told by the speaker) which asks, enquires is called Interrogative sentence.
Example - When did he come?

3. Exclamatory sentence : A sentence which expresses joy, emotion, surprise, sorrow, etc is called Exclamatory sentence.
Example - How beautiful you are!

(I hope that this will help you.)