他是我在美国留学的时候认识的。

Tā shì wǒ zài Měiguó liúxué de shíhou rènshi de.

I met him when I studied abroad in America.

他在英国留学五年了。

Tā zài Yīngguó liúxué wǔ nián le.

He studied overseas in England for five years.

他打算明年去日本留学。

Tā dǎsuàn míngnián qù Rìběn liúxué.

He plans to study abroad in Japan next year.