1. give gave given
go went gone
get got got
invite invited invited
prepare prepared prepared
do did done
make made made
pay payed payed
read read read
2.
children mice dishes trees books boys potatoes balls birds tigers
3. 1. are
2. are
3. are
4. am
5. is
4.
1. Moscow was the capital of Russia.
2. Moscow will be the capital of Russia.
3. I was a mechanic.
4. i will be a mechanic.