We learn to perceive the nodal time:
B. The grain of sand did one hour of thinking about composite things a day, and appreciated the activity as emotionally valid. ■→More
No group and no Government can properly prescribe precisely what should constitute the body of knowledge with which true education is concerned.
— President Franklin Delano Roosevelt ■→More
With theory making, PAST forms refer to the PRESENT, and PRESENT forms refer to the FUTURE. It is only the anchored PAST to stay in the PAST. Theory making is similar in Polish, Russian, French, and other languages:
if I was, si j’étais, gdybym był/a, если бы я был/а, wäre ich, etc.
Our language form relativity has nothing to do with ■→Whorfianism. ■→More
Questions as mayn't you have done or mustn't you have done would be rare in American, and they might impress unfavorably, as superfluous or even incorrect. The preference is for patterns without syntactic HAVE, and we can try to explain this with human logic. ■→More
Matters may never be what they seem, but they are what they look: the Perfect Progressive does merge the Perfect and the Progressive. All Perfect tenses have an open time frame. ■→More
It is much easier to make progress in language, if we learn to introspect and consciously give direction to own intellect. We may begin with exercise in awareness of own mind. More→