instead of that

I watch a film.

私は映画を見ます

I watch a film on a rainy day.

私は雨の日に映画を見ます

I watch a film instead of exercising outside on a rainy day.

私は雨の日に屋外運動の代わりに映画を見ます

I watch a film with my younger brother instead of exercising outside on a rainy day.

私は雨の日に屋外運動の代わりに弟と映画を見ます

I watch a film at home with my younger brother instead of exercising outside on a rainy day.

私は雨の日に屋外運動の代わりに弟と家で映画を見ます