Сравните сущ по образцу germany \canada\ china (big) germany is big , china is bigger, canada is the biggest 1.the volga\ the irtysh\ the thames (long) 2. village\ city\ town (big) 3.train\ plane\ car (fast) 4.japan\ belgium\ spain (small)

Irtysh is long, thames is longger, volga is longest
Village is big, town is bigger, city biggest
Car is fast, train is fasted, plane is fastest
Spain is small, belgium is smaller, Japan is smallest