I am going to have a wonderful weekend.My best friend Tom and me will to go to the park on saturday..,we will paly basketbale and fly kates ,run etc.then ,we will drink some water and eat some biscuit...虽然你写的很好，但是不是一般过去式，而是一般过去式将来时。对不起了Last weekend .My best friend Tominvited me to went to the park on last saturday.., we palyes basketbaleand flewkates ,run etc....then ,wedranksome water and ate some biscuitswhen wefell tired.. .On Sunday, Iwentto the country to visitedmy grandparents .I havenot visitedthem for a long time and I missedthem very much.Ihave a wonderflu weekend.