Ex 1. who did buy a fir tree?
what did he buy?
when did he buy a tree?
did he buy a tree?
why did he buy a tree?
what kind of tree did he buy?
how was the tree?
Ex 4.She has not just come.
2.my granny does not make cake on sundays.
3.our family did not go to Kyiv last year.
4.it will not be a nice day.
5.I can not play tennis well.