She takes a taxi
They eat sandwiches

Presente Simple:
A taxi is taken by her
Sandwiches are eaten by them

Pasado Simple:
A taxi was taken by her 
Sandwiches were eaten by them

Presente Continuo:
A taxi is beging taken by her
Sandwiches are being eaten by them

Pasado Continuo:
A taxi was being taken by her
Sandwiches were being eaten by them

Futuro con Will:
A taxi will be taken by her
Sandwiches will be eaten by them

Futuro con Going to:
A taxi is going to be taken by her
Sandwiches are going to be eaten by them

Can:
A taxi can be taken by her
Sandwiches can eaten by them.