Example sentences

• 我三年以前不会说汉语，现在说得很好。

  wǒ sān nián yǐqián bùhuì shuō hànyǔ, xiànzài shuō de hěnhǎo.

  I couldn't speak Chinese three years ago, but now I can speak well

• 他两天以前还在美国，现在已经在中国了。

  tā liǎngtiān yǐqián háizài měiguó, xiànzài yǐjīng zài zhōngguó le.

  He was in the USA two days ago, now he is in China