These are transition words that are used to show that a certain effect results from an activity after a certain time. This structured list of frequently used English transition words – around 200 – can be considered almost complete. It can be used (by both students and teachers) to find the right expression. English transition words are essential because they can not only associate ideas, but also introduce into the line of argument a certain displacement, contrast or opposition, accent or concordance, goal, result or conclusion, etc. Transitional words and sentences have only been assigned once to somewhat artificial categories, although some words belong to more than one category. Numbers can also be used to list examples or provide additional information. .