1)Напишите формы глагола to register (для всех лиц) в Present Simple,Present Continuous,Present Perfect,Present Perfect Continuous
2) Задайте вопросы к предложению:The passenger registered his luggage

1./Pr. Simple   : I, we, they, you - register  , he,she, it -registers
Pr.Contin.:     I am , they, you  are  registering, he, she, it -is registering
Pr. Perfect:    I, we, they, you  -have registered, he,she, it -has registered
Pr. Perf. Con: I, we, they, you - have been registering, he, she it -has been registering. 
2/ What did the passenger ? Did the passenger  registered his luggage? Who registered the luggage ? What did the passenger with his luggage?