"我还以为你是美国人呢~"怎么翻译成英文

Question

如题所述

Answer 1

I took you to be an American.
我还以为你是美国人。

I thought you are American.
我还以为你是美国人

Answer 2

I thought you were American.对，因为是猜测，要用虚拟语气

Answer 3

（口语） I thought you're American.
(北美俚语) I thought you were a Yank.

Answer 4

I thought you were American.

Answer 5

I thought you were American.