ser: possession, telling time, origin, occupation. impersonal expr., relationships. essential charact. composition made of.
estar: events, condition/emotion, physical location, idiomatic expression, progressive actions.
Soy alta y delgada.
I am tall and thin.
Answer:
Some intelligent students = Unos estudiantes inteligentes
una oración con timorato means a timid player and idek what your question is