is given是什么时态

　　Each candidate is given instruction in safety.

　　每位候选人都被给予了安全指导。

　　Individualized aftercare is given to each patient.

　　每位病人都能在康复期内得到特别护理。

　　If the wrong password is given the program aborts.

　　如果键入错误的密码，程序即中止。