Grammatical structures are systematically related to meanings, uses and situations​

specific audience will understand the main ideas. for example, if you were writing an instruction manual for rocket scientists, it would likely look very different from one you would write for young children. your language, tone, and writing style would change significantly.

i wish your neck was broken, i just wish she was sitting there on this saddle, and could not get off it, instead of my having to drag it along on my back, and his third wish be that she should be quit of the saddle, and able to get off it.

a few things can be inferred from the excerpt. one thing is the fact the husband and his partner are so comfortable/intimate with each other they don't feel the need to use proper english with one another. another thing is the character has a different relationship with their mother than they do with the husband.