Question

Identify the italicized part of the sentence.

Using a radar device, the Department of Public Safety can determine the speed of automobiles on the freeway.

subject
predicate
direct object
indirect object
predicate nominative
predicate adjective

Answer 1

Using a radar device, the Department of Public Safety can (determine) the speed of automobiles on the freeway. 
B) predicate.

hope this helps :^)