1.b> , , ; ; gradual [steady, sudden] increase [ / , ] / / ; increase of knowledge / ; increase of / in / population / ; increase of exports [of imports] [] ; the increase of a river .i> , ; increase of pressure .i> / ; with the increase of years / ; to be on the increase , , , ;
2.b> , , ; an increase by 10 per cent , ; the population showed an increase of 10 per cent ; to get an increase of / in / pay , ..i> ; , ..i> .