Question

The woman is my father’s sister. She came
to see me last week.
( Combine into a Complex sentence )

Answer 1

The woman that came to me last week is my Aunt.

Answer 2

My aunt came to see me last week because she is my father’s sister.

A complex sentence consists of both independent clause and a dependent clause. The independent clause shares the information and the dependent clause provides the details. The complex sentence can have one or more dependent clause. The above sentence is framed keeping in view complex sentence rules.