(i) (1,1), (1,2), (1,3), (1,4)

In order to plot point (1, 1), we move 1 cm along x-axis and 1 cm along y-axis. The point we arrive at is (1, 1).
To plot point (1, 2), we move 1 cm along x-axis and 2 cm along y-axis. The point we arrive at is (1, 2).
To plot point (1, 3), we move 1 cm along x-axis and 3 cm along y-axis. The point we arrive at is (1,3).

To plot point (1, 4), we move 1 cm along x-axis and 4 cm along y-axis. The point we arrive at is (1,4).

(ii) (2,1), (2,2), (2,3), (2,4)

In order to plot point (2, 1), we move 2 cm along x-axis and 1 cm along y-axis. The point we arrive at is (2, 1).
To plot point (2, 2), we move 2 cm along x-axis and 2 cm along y-axis. The point we arrive at is (2, 2).
To plot point (2, 3), we move 2 cm along x-axis and 3 cm along y-axis. The point we arrive at is (2,3).

To plot point (2, 4), we move 2 cm along x-axis and 4 cm along y-axis. The point we arrive at is (2,4).

(iii) (1,3), (2,3), (3,3), (4,3)

In order to plot point (1, 3), we move 1 cm along x-axis and 3 cm along y-axis. The point we arrive at is (1, 3).
To plot point (2, 3), we move 2 cm along x-axis and 3 cm along y-axis. The point we arrive at is (2, 3).
To plot point (3, 3), we move 3 cm along x-axis and 3 cm along y-axis. The point we arrive at is (3,3).

To plot point (4, 3), we move 4 0cm along x-axis and 3 cm along y-axis. The point we arrive at is (4,3).

(iv) (1,4), (2,4), (3,4), (4,4,)

In order to plot point (1, 4), we move 1 cm along x-axis and 4 cm along y-axis. The point we arrive at is (1, 4).
To plot point (2, 4), we move 2 cm along x-axis and 4 cm along y-axis. The point we arrive at is (2, 4).
To plot point (3, 4), we move 3 cm along x-axis and 4 cm along y-axis. The point we arrive at is (3,4).

To plot point (4, 4), we move 4 0cm along x-axis and 4 cm along y-axis. The point we arrive at is (4,4).