2 sentences

1. 他去年开始执教国家男子篮球队。

   tā qù​nián kāi​shǐ zhí​jiào guó​jiā nán​zǐ lán​qiú​duì.

   He started coaching the national men's basketball team last year.

   Source: Dong Chinese Dictionary

2. 他在这所大学执教已经三十年了。

   tā zài zhè suǒ dà​xué zhí​jiào yǐ​jīng sān​shí nián le.

   He has been teaching at this university for thirty years.

   Source: Dong Chinese Dictionary