Conjugate the following irregular verbs in the simple present tense (Indicative).
6. tener (to have) yo ________________________
7. tener (to have) nosotros ________________________
8. venir (to come) tú ________________________
9. venir (to come) nosotros ________________________
10. salir (to leave) él/ella ________________________
11. volver (to return) ellos/ellas ________________________