Present perfect 2 утвердительных 2 отрецательных и 2 вопросительных предложения. Пожалуйста напишите! Прошу

Два утвердительных: 1)I have eaten all of the pizza.2)Mark and Anna have been to Spain many times. Два отрицательных: 1) I haven't been to England yet 2) I haven't been to a rock concert Два вопросительных: 1) Have you ever seen a shark? 2) Has Sam already finished his homework?