Again another possibly silly question from me. How do you count "curtains"? Do you count one piece of cloth on one side of the window as one curtain? OR Do you count one curtain (both sides) per window?
But a pair of curtains consists, of course, of two curtains. You can count them. So one curtain hangs on the left and one curtain hangs on the right. In the case of my sitting room bay window, I have three curtains!
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.
Curtains? Bay window? Luxury!!! When I were a lad, I lived in a cardboard box with a hole cut out for a window....
I'm not a teacher of English, but I have spoken it for (almost) all of my life....
Roof! What we would have given for a roof in our stagnant pond.
Luxury. In our cess pond, ...