Question

How unhappy she looked! declarative

Answer 1

Declarative or Assertive sentence is a sentence telling a statement and ending with a full stop.
E.g.- The Sun rises in the East. or She likes chocolates.

Conversion- She looked very unhappy.

Please mark as the BRAINLIEST answer if you like it.

Answer 2

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Declarative Sentences are infact, assertive sentences.

Declarative Sentences include subject + verb + predicate.
Example => The man eats mango.

Now,
Coming to your question,

While converting a sentence from Exclamation to assertive, remember few things :-

1. There's always a full stop after conversion of exclamation to assertive.

2. Use words like "very" or "so" while conversion.

Answer to your question is

She looked very unhappy.

Thanks!!