Question

Shall i compare thee to a summer's day?(assertive sentence)

Answer 1

I cannot compare the(you) to a Summer's day.
In assertive sentence shall transform into can/will.Shall is not often used.

Answer 2

ANSWER:

The assertive sentence for 'Shall I compare "thee" to a summer's day' is 'I cannot compare thee to a summer's day'.

EXPLANATION:

An interrogative sentence is the one that is formed by rearranging the words of a declarative sentence.

Example: Declarative sentence- Sneha slept well.

                Interrogative sentence- Did Sneha sleep well?

An assertive sentence is the one that says a fact. Such statements are simple ones. They assert or declare something.

Example: Mary is a homemaker.