The Saturday morning

Every Saturday at 8 am I go to the swimming pool with my friend Ilya. We spend about 45 minutes there about 45 minutes and do swimming strokes in two styles: breaststroke and front crawl. The front crawl style is my weak point,. Ilya does it much better. For 45 minutes we pass over 1400 meters. After our swimming session we go to the cafe (especially McDonalds) and eat muffins with coffee and talk about things of last week. How do you usually spend your Saturday morning?

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Nicely written! You used the colon and the parentheses correctly too.  :)  However, every week day word should always be capitalized (e.g. Monday, Tuesday, Wednesday...and so on). Your word order was also a bit funky, but I think you get the point. "The front crawl style is my weak point" and "Ilya does it much better" are complete thoughts, so a comma does not belong there. Great work so far! :D

The Saturday morning

Every Saturday at 8 am I go to the swimming pool with my friend Ilya. We spend about 45 minutes there and do swimming strokes in two styles: breaststroke and front crawl. The front crawl style is my weak point. Ilya does it much better. For 45 minutes we pass over 1400 meters. After our swimming session we go to the cafe (especially McDonalds) and eat muffins with coffee and talk about things of last week. How do you usually spend your Saturday morning?