I"m going to fitness with older sis

I"m going to fitness with older sister try to go a week 4 days.
สำหรับวันอาทิตย์ฉันต้องเรียนภาษาอังกฤษแล้วถึงจะไปฟิตเนต
ที่ต้องเรียนเพราะว่าฉันอยากคุยกับเจ้าชาย

Results (English) 1:

I"m going to fitness with older sister try to go a week 4 days.For Sunday I have to learn English, and then I go to fitness.The need to learn because I wanted to talk to the Prince.

Results (English) 2:

I "m going to fitness with older sister try to go a week 4 days.
For Sunday, I have to learn English and go to gym
class because I want to talk to the Prince.

Results (English) 3:

I "m going to fitness with older sister try to go a week 4 days.Sundays I have to learn English, and then go to the gym.To learn because I want to talk to the prince.