Помогите пж ОЧЕНЬ СРОЧНО задание 9

I didn't swim in the sea yesterday. I didn't play on the beach yesterday. I didn't go on a trip to the sea yesterday. I didn't do London yesterday. I didn't stay at a hotel yesterday. I didn't make sandcastles yesterday. I didn't read French books yesterday. I didn't visit Trafalgar Square yesterday. I didn't go to the British Museum yesterday. I didn't go boating yesterday. I didn't stay at home all day yesterday. I didn't teach little children to swim yesterday.