6.1. Our linguistic gravitation

Time extents, Present or Past, do not depend on the Aspect, Simple or Perfect. To express own thought well, we need the cognitive ground and time frame. The matter can be easy as with gravitation: when we have the ground, we close the frame. ■More

Chapter 6. To choose own path in time

There are no universal principles to design between the Present Perfect and the Past Simple. We may learn many grammar rules, and yet we are always going to need own resolves in real-time contexts. An idea as a cognitive time frame can prove very helpful and real-time efficient. ■More