The grammar presented is based on the grammar of written and spoken English as it is used in college lectures, textbooks, academic essays, high school classrooms, and coversations between instructors ...
One’s tense will vary depending on what one is trying to convey within their paper or section of their paper. For example, the tense may change between the methods section and the discussion section.
The Internet Grammar of English is an online course in English grammar written primarily for university undergraduates. However, we hope that it will be useful to everyone who is interested in the ...