Exercise2:1.is,2.am,3.am,4.am,5.is,6.am,7.am,8.is,9.is,10.are,11.is,12.is,13.is,14.is,15.is,16.is,17.are. Exercise3:1.am,2.is not,is a,3.is your,she is,4.are,are not,5.is a,he is,6.are you,yes i am.7.is your,she is not,she is a,8.is your,he is,9.is your,she is not.10.непонятно,11.Is this,it is.12.is,13.is,14.is,15.is,16.is a,they are,it is,are brown,it is,he is,is not,it is,17.are you,i don't.18.is,19.is,20.is,21.are,22.are,23.i am,24.is.