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  • Hi! I'm Tim from BBC Learning English, and today I'm going to tell you about three useful words: because, as, and since.

  • These are all used to give reasons.

  • "Because" is more common than as or since, and we use it when we want to focus on the reason.

  • I'm tired because I didn't sleep very well.

  • When we want to give extra focus to the reason, we can put the because clause at the beginning of the sentence.

  • Because my bed is uncomfortable, I'm getting a bad back.

  • "As" and "since" are more formal than because, and we use them to focus on the result rather than the reason.

  • I hope Tom's brought that comic as I wanted to borrow it from him.

  • Noodles are popular since they're easy to cook.

  • We often use "as" and "since" clauses at the beginning of the sentence.

  • Just remember to add a comma.

  • So, as our minute is up, I'll finish recording this video.

Hi! I'm Tim from BBC Learning English, and today I'm going to tell you about three useful words: because, as, and since.

Subtitles and vocabulary

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A2 UK focus sentence reason comma clause minute

How to use 'because', 'as' and 'since' - English In A Minute

Video vocabulary