求一篇现在完成时的英语作文

It is a sunny day.We deciding to have a picnic outside the city.In the morning,we taking an early bus to Nanhui.It is quite a colorful world.There are green trees,orange leaves,red peach blossoms.At noon,we reaching the place,we sitting by the river bank and taking out a lot of things,such as bread,orange juice,apples,cakes,eggs and so on.But all of a sudden,it begining to rain.Unluckily there is no shelter nearby.We taking a bus to go back home in a hurry.What a pity!