Please consider the red line as the edge of the board, so we have more exercises for you.

1-2 The pawn goes straight and strikes diagonally, on the first move he can make a double move.







3-4 The threatened squares are always diagonally in front of the pawn. The black pawns go and threaten from top to bottom.







5-6 The white pawns move from bottom to top, the threatened squares are diagonally in front of each of them.

7-12 These exercises shouldn't be a big problem anymore!