Посмотрите,правильно ли у меня составлены предложение в Present Perfect и Past Simple. Если есть ошибки,укажите на них!
1 The rain has stopped half an hour ago. 2. Mary bought a new hat. 3. I bought a pair of gloves yesterday. 4. The wind has blowed off the man's hat, and he cannot catch it. 5. The weather has changed, and we can go for a walk. 6. The wind changed in the morning.

4. had blowed, couldn't5. had changed, couldПрошедшее совершенное время в английском языке старше прошедшего простого