Answer:
compound sentence
1. The waves were smashing on the shore; it was a beautiful sight.
2.He said he was not there yesterday; numerous individuals saw him there.
3.I am glad to take your gift; any sum will be incredibly refreshing.
4. The antacids must not have worked; if, he has not quit complaining.
complex sentences
->where the independent clause comes first:
1. I was snippy with him because I was running late for work.
2.The actor was happy he got a part in a movie even though the part was small.
->where the dependent clause comes first:
1.Although he was wealthy, he was still unhappy.
2.Because my coffee was too cold, I heated it in the microwave.