Verb to Be
Present tense 'you"
are
talk
talked
The farmer cuts down the tree.
The tree is cut down by the farmer.
The students sang song every morning.
A song was sung every morning by the students.
Past Simple with 'he"
was
invent
invented
My mom uses my cellphone
My cellphone is used by my mom
My parents called my brother Juan.
My brother was called Juan.
Present simpe with 'we'
are
write
wrritten
The technician installs new apps on my phone.
New apps are installed on my phone ( by the technician).
The teacher taught the students.
The students were taught (by the teacher).
past Simple with 'they'
were
break
broken
The customers eat all of the cake.
All the cake are eaten (by the customers).
Santa Claus brought presents to all the children at Christmas.
Presents were brought to all of the children at Christmas ( by Santa Claus).
present simple with I
be
been
The scientists do an experiment on the cows.
An experiment is done on the cows (by the scientists).
Mariana played the drums
The drums were played by mariana