They play football every Tuesday and Friday.
= They play football (on Tuesdays and Fridays).
注:on Tuesays and Fridays意思是“每逢周二和周五”,和every Tuesday and Friday“每个周二和周五”同义。
I don't know if you want mine. "On every Tuesday and Thursday, they will play football"
They play football on Tuesday and Friday.
They play football twice a week.
all of zhe