I take Spanish as well and i hate to tell you the but the correct way to say "I prefer milk" in Spanish is( prefiero la leche) u are listing the correct ways to say (She runs to maintain health) look them up if u dont believe me type in on google (Ella correr para mantener la salud in English). Hope this helps
Procrastination? Idk sorry
Answer:
Maria y yo Leimos un libro (the verb is always in past)
Ella y yo jugamos soccer (She and I played soccer)
Or if u want to say something that u keep doing
She and i are playing soccer, will be (ella y yo estamos jugando soccer)
Explanation: