I may not have locked the window last night but I know it was shut.

我昨晚也许没有锁窗，但我知道窗户是关着的。

You left the window open last night and this morning I found all my documents and scripts blown all over the floor.

昨天晚上你没有关窗户，今早我发现我的文件和脚本被吹得满地都是。