Creative Grammar Exercise

Kenneth Beare has a great write-up on how to use exploding or expanding texts for a grammar exercise. He uses it to apply to English grammar, but this exercise could be used with any language.

Here is the example that Beare gives:

He is a boy.
He is a nice boy.
He is a nice boy who comes from London.
He is the nice boy from London who helped me with my project.
He is the nice boy from London who helped me with my science project.
He is the nice boy from London who helped me get an A on my science project.