Explicación:a) We are study English at this moment.✅ Correcta: We are studying English at this moment.b) My parents are always travel to new places.✅ Correcta: My parents are always travelling to new places.c) They plays soccer every Saturday.✅ Correcta: They play soccer every Saturday.d) I am not understanding the lesson today.✅ Correcta: I do not understand the lesson today.e) They are reading a book at the moment?✅ Correcta: Are they reading a book at the moment?f) Is he shop online every month?✅ Correcta: Does he shop online every month?