我要去参加英语培训英语

Excuse me,I want to take part in a English trainning so that I can notparticipate in the basketball match which is held in the Saturday afternoon.

I am going to your school to take part in the English training courses.I plan to visit your school to take part in the English training courses.

Sorry,I can't join the basketball game in Saturday afernoon,because I have to take party in a English lesson.