Can Chimpanzees and Apes talk?

Can Chimpanzees and Apes talk? Are humans the only creatures that can understand language? Can chimpanzees and Apes talk? I believe that humans are not the only primates capable of elementary language. I think that chimpanzees and Apes are capable of straightforward language and can express concrete ideas. I think that they have the language capability of a young child, only if they are worked with constantly. I do not believe that Chimpanzees and Apes …

…spoken words and simple sentences. I also believe that to some extent lesser primates do understand the meaning of some words. Though, I do not believe that they will ever be able to completely master language including challenging sentences, abstract ideas, and all of the grammar rules. I still believe that chimpanzees, apes, and gorillas are able to learn language through certain methods, many years of practice, and if they are willing to be taught.