When an independent clause is combined with a dependent clause it forms a complex sentence
true
false

That is true! The independent clause can stand by itself, but if a dependent clause is introduced, it forms a complex sentence.

Example: Because I was running late for work, I received a warning

Hope I have helped!

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                          - jayden

hm, switch the relative; nominative and indefinite; objective ? not too bright in the knowledge of the english.