№2
1. I know russian.
2.my little son is able to count from 1 to 5
3.her friends never speak russian at english
4.sam and kate know a lot of books
5. ann studies at the university.
6.they are very friendly
№3
1. Does the boys like to play hockey? - вопросительное
No,they doesnt - отриц.
2. Does your little sister like to read? - вопр.
No, she doesnt - отриц.
3. Does students always know about UK? - вопр.
No, not always - отриц
4. Does your mom prefers black? - вопр.
No, my mom prefers white. - отриц.