text: I'm not completely sure what your question is, but:\n\nCompound sentence = \nindependent clause , FANBOYS independent clause.\n\nFANBOYS= for, and, nor, but, or, yet, so\n\nexample\n\nI went to the store , but the store had blow away.\n\nComplex sentence - there are two basic ways to do this (note comma use)\n\n1. dependent clause , independent clause.\nexmaple: When I went to the store, I could not find it.\n\n2. independent clause dependent clause. (no comma)\nexample: I could not find the store because it had blow away.\n\nIf you want to get complicated, you can also mix and match compound and complex, etc.