The summary is:
The video is an English lesson about the difference between the words could, might and may. The teacher explains how to use them in different situations, such as the past, the present, the conditional, the ability, the possibility and the request. He gives examples of sentences with each word and shows how to make them negative and interrogative. He also mentions some adverbs that can indicate the tense of the sentence. He encourages the students to practice with some exercises that he provides in the description of the video.
Here are the key facts extracted from the text:
1. The text is about the difference between the words could, might, may and can in English.
2. The text explains how to use these words in different tenses, contexts and meanings.
3. The text provides examples, tables and exercises to illustrate the usage of these words.
4. The text is a transcript of a video lesson by a teacher named Francisco.
5. The text covers topics such as ability, possibility, probability, doubt, permission, request and condition.
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