Use the plural form "Sundays" to talk about every Sunday or "Sundays" in general.
Use the plural (Sundays) to talk about every Sunday or "Sundays" in general.
On Sundays, Alice usually starts the day with a cup of coffee.
Native speakers can easily use the singular form (Sunday) in this situation. For example, if you are asked:"Would you like to come to my birthday party on Sunday?" You can easily answer this:
I usually go to church on Sunday.
I usually go to church on Sundays.
Both sentences are correct. Note that the adverb of frequency ("usually") implies that we are referring to every Sunday. Other common adverbs of frequency are: generally, always, normally, often, seldom, frequently, infrequently, rarely, etc.
Olivia rarely skips breakfast on Sundays/Sunday.
However, when using this noun at the start of the sentence and talking about "Sundays" in general, we recommend the plural form (Sundays) to avoid confusion:
On Sundays, my boyfriend and I go for a long walk in the park.
And remember, to mention a specific day, we always use the singular form (Sunday).
On Sunday, I woke up early because of a neighbor's loud music.
My daughter has been invited to a birthday party on Sunday.
My daughter has been invited to a birthday party on Sundays.
Follow the same plural strategy with the rest of the days of the week:
