一般将来时：

　　Iwillhaveabusysummerholiday.IamgoingtodomyhomeworkeverydaysothatIcanfinishmyhomeworkontime.IamgoingtothelibrarytoborrowsomebooksandgototheshopstobuysomebooksbecauseIwanttoreadsomeinterestingbooks.IamgoingtoreadEnglishinthemorninginordertoimprovemyEnglish.Iamgoingtodosports.Suchasplayingbasketballwithmyfriends,goswimmingwithmyfriends.Iamgoingtovisitmygrandparentsandstaywiththemforaweek.IamsureIamgoingtohaveaninterestingandhappysummervacation.

　　一般过去时：

　　Ihadafantasticsummervacation.IdidmyhomeworkeverymorningsothatIcouldfinishdoingmyhomeworkontime.Ididexerciseeveryafternoonbecausedoingsportsisgoodformyhealth.Ioftenwentswimmingandplayedtabletenniswithmyfriends.Ihelpedmyparentsdosomehousework.Suchaswashingclothes,cleaningtheroom,goingshoppingandsoon.Ialsowenttoinnermongoliatoseethebeautifulgrasslandandrodehorsesthere.ItookatenniscoursetolearnhowtoplaytennisandnowIcanplayitverywell.SoIhadawonderfulsummervacation.