by - типичные ошибки в английском со словом by

Не правильно ❌	Правильно ✅	Пояснение
1. He managed to open the lid by a screwdriver. 2. They watch the customers by a l ittle window. 3. I hope you feel better by this letter reaches you.	1. He managed to open the lld with a screwdriver. 2. They watch the customers through a little window. 3. I hope you feel better by the time this letter reaches you.	1. do something with a tool, instrument, etc., NOT by 2. watch/look/see through a window, NOT by 3. By is NEVER used as a conjunction.