I felt his behavior was very free.

Separable verbs are unique to German grammar.

Reflexive verbs are used to express actions where the subject is acting on itself.

He has been living in this town for several decades.

He is working as a generalist.

What month is your birthday?

Which day will you depart?

How many colors is your painting drawn in?

What color is your car?

What color is his shirt?