1. Subject + Verb: "She sings."
2. Subject + Verb + Object: "He eats an apple."
3. Subject + Verb + Complement: "They are happy."
4. Subject + Verb + Indirect Object + Direct Object: "I gave him a book."
5. Subject + Verb + Object + Object Complement: "She made him her assistant."
6. Subject + Verb + Adverb: "They ran quickly."
7. Subject + Verb + Adjective: "He seems tired."
8. Subject + Verb + Prepositional Phrase: "We went to the park."
These are the eight basic sentence structures in English. They can be combined and modified to create more complex sentences.