"I'm Zay."
This is a simple sentence. It contains one independent clause (one subject "I" and one verb
"I'm a Teacher."
This is also a simple sentence. It contains one independent clause (one subject "I" and one verb "am").
"I like apples but I don't like mangoes."
This is a compound sentence. It contains two independent clauses joined by a coordinating conjunction ("but").
Independent Clause 1: "I like apples"
Independent Clause 2: "I don't like mangoes"
"I have no time even though I want to see a film."
Independent Clause: "I have no time" (This part can stand alone as a complete thought.)
Dependent Clause: "even though I want to see a film" (This part cannot stand alone)