Question

what are the rules for converting a simple sentence into complex sentence?​

Answer 1

Explanation:

For simple sentences the are no conjunctions but in complex sentence there at two main clauses and no subordinate clauses

Answer 2

Hey mate here is the answer.

By expanding a word or phrase into a subordinate clause.

An adverb clause

An noun clause

An adjective clause.

Hope this helps you dear!!! :-)

And mark it as a brainlist answer B-)