1.If today.....(tobe/not)cold,we would go swimming. 2.If I throw an objcct away,it....(drep). 3.If Hoang.....(tobe)to study hurder,he would get good marks. 4.If Kim.....(tobe/not)lazy,she wouldn't have failed her exam. 5.If they......(go/not)to birthday party tomorrow they would be very angry