i 134 form for F1 visa

[alrains]

Hi,

I am applying for F1 visa for fall term.

1.Do I need duly filled i 134 form from my USA sponsor if I am applying for F1 ?

2. If my brother and sister in law are combinly sponsoring me do I need to submit two separate i 20 application and i 134 forms

Kindly help me.

Thanks

alrains.