for teachers of English and their students
In what case to use the last (with the definite article) with time periods that precede the current time period?
Use last without the or a preposition when talking about a time period that precedes the current time period. However, when talking about several time periods that precede the current time period (in this example: several days), use the last and the respective preposition: e.g. over the last.
For example, a phrase like this:
His condition has severely degraded over the last few days.
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