Question

He left after my departure. ( change it into complex sentence)​

Answer 1

Answer:

I departed after he left.

Explanation:

A simple sentence can be converted into a complex sentence by expanding a word or phrase into a subordinate clause - which can be a noun clause, an adjective clause or an adverb clause. Note that it is usually a noun or a noun equivalent that can be changed into a noun clause.

Answer 2

Explanation:

I departure before he left