vertical and horizontal development

In the book Teaching Lexically, Hugh Dellar and Andrew Walkey refer to horizontal and vertical development exercises and the pay-offs they bring.  By developping a sentence horizontally we are adding something that the writer or speaker  might say next. By developping a sentence vertically we are adding something that someone else might say next.  I’m quoting from their excellent book now. “These kinds of exercises … Continue reading vertical and horizontal development