- I read them in the morning.
[read [I] [them] [in [morning [the]]]]
“In the morning” is a prepositional phrase that functions as an adverb, modifying “read”.
- I read them in the afternoon.
[read [I] [them] [in [afternoon [the]]]]
- I read them at night.
[read [I] [them] [at [night]]]
“At night” is a prepositional phrase that modifies the verb “read”.
- I even read them when I go camping.
[when [read [I] [them] [even]] [go [I] [camping]]]
“Even” is an adverb that modifies “read”.
“When” is a subordinating conjunction. It says they read when they camp, not that they camp when they read.
- Comic books are great to read.
[are [books [Comic]] [great [“to read”]]]
“To read” is an adjective that modifies “great”. It qualifies what is “great” about the “books”.
“Comic” is an adjective that modifies “books”.