Step 1: Analyze the composition.
The pattern in the image consists of multiple identical shapes arranged in a grid. By counting the number of shapes in the composition, we can see that the most used black coloured shape is the cross, which appears 14 times in the grid.
Step 2: Counting the shapes.
Upon closer inspection, we can count a total of 14 cross-shaped figures in the composition. This is the most used black coloured shape in the given pattern.
Step 3: Conclusion.
The correct number of times the most used black coloured shape appears is 14.