YOU SAID:
I'm going to grandma's today
INTO JAPANESE
私は今日おばあちゃんに行くよ
BACK INTO ENGLISH
I will go to grandma today.
INTO JAPANESE
私は今日おばあちゃんに行きます。
BACK INTO ENGLISH
I am going to grandma today.
INTO JAPANESE
私は今日おばあちゃんに行くつもりです。
BACK INTO ENGLISH
I am going to go to grandma today.
INTO JAPANESE
私は今日おばあちゃんに行くつもりです。
BACK INTO ENGLISH
I am going to go to grandma today.
Come on, you can do better than that.