1.b
2.a
3.b
4.b
5.a
6.a
7.b
Go-went
Ride-rode
Be-was/were
Have-had
See-saw
Run-ran
Meet-met
Think-thought
Do-did
Masha did not saw a camel at Safari perk yesterday.
Did they have a breakfast yesterday ?
Viraly thought about the prize yesterday.
My friend Dima met in cinema.