5. Yo quiero que tú vayas.
6. Yo quería que tú fueras.
7. esté enfermo
8. estuviera enfermo
There are many ways to say this but you can say "Tu es mi amigo"
Tu meaning you
Es meaning is/are
Mi meaning my
Amigo meaning friend.
3 examples of intention inference
3 examples of data inference
3 examples of casual inference
3 examples of prospective inference