Everyone thinks, speaks, or writes in real time. There is often no time to consult rules and definitions. We need a natural and effective way, to manage own grammars. Language MappingTM has proved the best, to me and quite a few other people, because it invokes human natural capability for logic.
You are most welcome to the menus, but if you want a simple test on cognitive mapping in language, try a mild brainteaser. Compare your answers with family, friends, or other people. If the results are consistent, the idea is natural for you, even if it is not well-known: our brainteaser is intuitive. More→
The grammar way may prove most effective step-by-step. Welcome.