Quite often our students do not know how to get the most from grammar charts or boxes in their textbooks.
They say nothing to them; they aren’t meaningful.
We teachers can tell them: study this box on page 69 and make five or six sentences at home. Plus we can provide one or two examples, with the book open on that page.
This is the basis for later communication: yesterday I assisted a private student to use this factor. / Photo from: textbooks www alibris com