How to change sentences like (declarative to exclamatory), (imperative to interrogative), (interrogative to declarative), (exclamatory to declarative)?

A declarative sentence makes a statement.
An exclamatory sentence expresses strong emotion.
We can change a declarative sentence to exclamatory by:
- adding/subtracting words
- changing the period to an exclamation mark
- keeping the meaning of the sentence the same
For example:
This is a very beautiful picture.
Wow! What a beautiful picture!
He met with an accident.
Alas! He met with an accident!
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