1. People speak English all over the world
English is spoken all over the world
2. My father planted this tree last year
this tree was planted last year
3. The worked will bruld that factory next year
that factory will be built  next year
4. My friends are going to hold a party for me tonight
a party is being hold  for me tonight by My friends
5. I am writing a letter now
a letter is being writen now