These are both sentence types. Interrogatives end with a question mark and are questions. Declaratives are just that: you are declaring something.
Interrogative:
May I go to the bathroom?
Declarative:
I must go to the bathroom.
rules on how to transforms declarative to interrogative sentence
"How are you today?" is interrogative.
Declarative
to transform declarative to interrogative follow this: ex. Anna is a nice girl. answer is... is Anna a nice girl?
Sentence interrogative not declarative.
rules on how to transforms declarative to interrogative sentence
"How are you today?" is interrogative.
Declarative
Interrogative.
Exclamatory
imperative
declarative
interrogative
The word "what" can be used in an interrogative or a declarative sentence:What did she do? (interrogative)That is what we all want to know. (declarative)
to transform declarative to interrogative follow this: ex. Anna is a nice girl. answer is... is Anna a nice girl?
Sentence interrogative not declarative.
EXCLAMATORY!