She watches movies ...... the theatre ..... every Sunday?


She watches movies at the theatre every Sunday.

My approach: I write this sentence as:

She watches movies at the theatre on every Sunday.

I made this because "at" is used to denote a person here for the short period of time, and "on" is used to denote days. It's a rule that we can use in the above example and also in these words like on/in the next November, on/in the next month, in/on the last month.

My question is: If the words "last", "next" and "every" are of the same type,Why they are not used with prepositions and Are there any other words I need to know about?

I found some similar sentences where no preposition was used like:

  • She went home this evening.

  • She went upstairs

  • She went downstairs

  • She went inside

  • She went outside

  • She went downside

  • She went upside

  • She went cycling

  • I'm still struggling to find a 'question' here!
    – Maulik V
    Sep 19, 2015 at 6:02
  • If you want to fill the blank: "She watches movies in the theater every Sunday." You don't need anything before 'every Sunday'.
    – Maulik V
    Sep 19, 2015 at 6:09
  • @MaulikV edited please see. Sep 19, 2015 at 15:17
  • @MaulikV Why I don't need anything before 'every Sunday'? Sep 19, 2015 at 15:17
  • 2
    @justintakro - that's just how the language works. The words "day", "week", "month", "year", etc. (up and down the scale) when combined with "every" designate the frequency of something occurring and no preposition is needed. "Every year we celebrate our birthdays together". Sep 19, 2015 at 19:07

1 Answer 1


No! Read this.

We don't use a preposition with these words:

  • next week, year, month etc
  • last night, year etc
  • this morning, month etc
  • every day, night, years etc

and with words today, tomorrow, yesterday!

Consider the usage of "in" vs "at" with the word "theater": enter image description here

In the theater here refers to the building (the theater itself). In British English, At the theater means attending a performance. However, both prepositional forms, at and in are regularly found, but in is more common with the generic term theater and at with a specific theater name.

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