Ребята, помогите мне с английским! Заранее спасибо!

1.The children are running behind the school now.2.When Zoya was at the zoo?3.Не знаю смысл, предложения не понимаю.4.May open please the window.5.Was sunny yesterday it?6.There a lot of apples on the trees.7.You must help your grandmouther.8.Dophins are clever then whales.9.Tom was tired last night.