How do you transform Miriam swims in phrase structure?

To transform the phrase "Miriam swims" into different structures, you can change the sentence's form or add additional elements. For instance, you could change it to a question: "Does Miriam swim?" or make it past tense: "Miriam swam." You could also expand it by adding a prepositional phrase: "Miriam swims in the pool." Each transformation alters the sentence while retaining its core meaning.