friday,tickit,是可数不可数？

都是可数的
I go fishing on Fridays

I bought two tickits

Friday
/ ˈfraɪdɪ; ˋfraɪdɪ/ n [U, C] (abbr 缩写 Fri) the sixth day of the week, next after Thursday 星期五.
这个词既可以用作可数 也可以不可数
I work Monday(s) to Friday(s). 我星期一至星期五工作. * (On) Friday(s) (ie Every Monday) I do the shopping. 每星期一我都去买东西

ticket 是可数的
[C] written or printed piece of card or paper that gives the holder a certain right (eg to travel by plane, train, bus, etc or to a seat in a cinema) 票（如机票、 车票、 电影票或入场券等）: Do you want a single or a return ticket? 你要单程票还是往返票? * I've got two tickets for the Cup Final. 我弄到两张优胜杯决赛的票. * You must present your library ticket every time youborrow books. 你每次借书都必须出示借书证. * Admissionby ticket only, eg as a notice outside a hall, etc. 凭票入场.

1.friday一般不加s,但是fridays=each friday=每周五

2.tickit不懂啊,如果是ticket就可数了

是ticket
都是可数
fridays 很多的星期五
tickets 很多票

都可数