FUTURE TENSES
Passive forms: will + be + past participle
is/are going to be + past participle
Active: Future with WILL
I will mail the gift.
Jack will mail the gifts.
Passive: Future with WILL
The gift will be mailed by me.
The gifts will be mailed by Jack.
Active: Future with GOING TO
I am going to make the cake.
Sue is going to make two cakes.
Passive: Future with GOING TO
The cake is going to be made by me.
Two cakes are going to be made by Sue.