All, Every, Each - English Grammar
https://grammar.cl/english/all-every-each.htm03.03.2022 · Every + number + plural noun. Every can be followed by a plural noun when there is a number before that noun. This is common with periods of time or things at regular intervals. He gets his head shaved every three weeks. You need to take a break every two hours. We can also use every without a number and a singular noun to refer to regular ...