"Although" with 虽然...但是... (suīrán ... dànshì ... )

The grammar pattern "虽然...但是..." (suīrán ... dànshì ... ) is one of the most common used patterns in Chinese, especially in written Chinese.It is used often to bring up a certain point, then to show that there is a contrary reaction. "虽然 ... 但是 ... " expresses that while the former part of the sentence is true, there is an adverse reaction in the latter part. The pattern is 虽然 + Subject + 但是 + Contrary Reaction. Simply put, the pattern means Although...but.... in English, and is generally used in the same manner. Be aware that "可是" can be used interchangeably with "但是". For example, 

• 虽然这台电脑质量很好，但是价格太贵了。
• 虽然这种手机性能很好，可是外观不太好看。

Please say the following sentences in Chinese:

1. Although he's American, he still hasn't been to Washington D.C.
2. Even though she said she isn't hungry, she ordered a lot of food.
3. Even though he‘s got a rich family, he never wastes money.