Tessellating patterns

This task is about drawing tessellating patterns.
Finish the following patterns by adding eight more of each shape.
The first one has been done for you.
 
Example:  
Add eight more  small shape to tessellate to this pattern.
tessellating pattern

Question Change answer

a)  Add eight more small shape to tessellate to this pattern.

Question Change answer

b)  Add eight more small shape to tessellate to this pattern.

Question Change answer

c)   Add eight more small shape to tessellate to this pattern.