ABSTRACT

In this sentence, inexpensive is an adjective, used is a past participle with a preceding adverb, and has .. . capabilities is a predicate, although it is really a clause lacking its subject. The third element obviously does not fit. Yet although used, as a participial form, is arguably parallel with the adjective inexpensive, its combination with the adverb widely suggests that

Here the adjectives inexpensive and popular now form a parallel pair, and the second clause is also parallel with the first.