I am supposed to clean my room这句话是什么意思?

我想我要去打扫我房间了 be supposed to 类似于should的意思

1.猜想,以为[Y][+(that)] I suppose he is still in town.
我想他还在城里。
2.期望;认为必须,认为应该 You're not supposed to take the books out of the room.
这些书不能拿出屋去。
这句话的翻译
我应该打扫房间了。

我该去打扫房间了

be supposed to do 是理应干什么的意思，所以这句话的意思是我理应去收拾房间

我本应该打扫我的房间的（但是结果并没有这样做）在网上帮你查了下be supposed to 的用法用法一：be supposed to...其中to是动词不定式符号,不是介词,其后要跟动词原形.当be supposed to...的主语是“人” 时,意为“...

我应该打扫我的房间。