In the morning,(改逗号,后面变小写）after breakfast,I watched TV for(看电视这里加个for） about an hour.Then,I went to my grandparents’ home.I was happy,because my brother was（这句话缺谓语,加个was） at（the去掉,at home就行了,home是副词） home too（加个too,你兄弟也在家）.
My brother and I had （a去掉,午饭前面不用加冠词了） lunch on my grandparents’ home.After lunch,we went to my home.We played（planned没必要,你在用过去语态叙述已经发生的事情,没必要再用“计划”一说了） the guitar,watched a（the改成a,因为你们就是看了一部电影,没有特指哪一部） movie and played（the去掉,玩了一些电脑游戏,也不需要用the来特指） computer games.At 5pm my brother went back to（回家是“去”不是“来”,用go的过去式went） his home.
I feel carefree today（加个表时间的今天,句子更完整,使feel的现在时更正确）. In the morning,(改逗号,后面变小写）after breakfast,I watched TV for(看电视这里加个for） about an hour.Then,I went to my grandparents’ home.I was happy,because my brother was（这句话缺谓语,加个was） at（the去掉,at home就行了,home是副词） home too（加个too,你兄弟也在家）.
My brother and I had （a去掉,午饭前面不用加冠词了） lunch on my grandparents’ home.After lunch,we went to my home.We played（planned没必要,你在用过去语态叙述已经发生的事情,没必要再用“计划”一说了） the guitar,watched a（the改成a,因为你们就是看了一部电影,没有特指哪一部） movie and played（the去掉,玩了一些电脑游戏,也不需要用the来特指） computer games.At 5pm my brother went back to（回家是“去”不是“来”,用go的过去式went） his home.
I feel carefree today（加个表时间的今天,句子更完整,使feel的现在时更正确）.