Well, Bubu, I will quote Swan for you: (1) We use 'except (for)' for general statements, especially after generalizing words like all, every, any, no, whole, etc: I ate all my salad except the jalapeños. I ate every bit of my salad except for the jalapeños. (2) In other cases, we usually use 'except for': I ate my salad except for the jalapeños.
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