nb.今天早晨我发生一件怪事。 I happened a strange thing in this morning A strange thing happened to me this morning. ( As far as the expression发生某事is concerned, while something serves as the English subject, the Chinese sentence finds its subject in somebody b.今天早晨我发生一件怪事。  * I happened a strange thing in this morning.  A strange thing happened to me this morning.  (As far as the expression 发生某事 is concerned, while something serves as the English subject, the Chinese sentence finds its subject in somebody.)