Question

my children only ____for 30 minutes (to watch)​

Answer 1

Bueno, solo hay una respuesta pero el uso del conector depende de ti

My children only have/need to watch for 30 minutes

Puedes usar la que sea de tu preferencia

My children only need to watch for 30 minutes

My children only have to watch for 30 minutes

hope you like it !! OдO