Błędnie: My grandfather used to be absolutely indifferent as far as religious issues are concerned. A couple of years ago he began to go to the church on Sundays, though. Poprawnie: My grandfather used to be absolutely indifferent as far as religious issues are concerned. A couple of years ago he began to go to church on Sundays, though.
Powiedzieć 'to go to the church' oznacza, że mamy na myśli odwiedzenie kościoła w celu innym niż religijnym (np. w celu zwiedzenia go). Jeśli mówimy o chodzeniu do kościoła w celu praktyk religijnych, mówimy 'to go to church'.