2.
V1
1. The room was filled by smoke.
2. The garage was painted with a new kind of paint.
V2
1. These photos were taken by my sister.
2. These photos were taken with an old camera.
4.
V1
If she knows my telephone number, she will phone every minute.
If I were a teacher, I wouldn't allow my student to call each other names.
V2
If he needs money, he will ask for a job.
If the weather were fine, we would go for a walk with our pets.