to board Flight 139 =
an infinitive phrase
What Is an Infinitive Phrase? (with Examples) An infinitive phrase is
the infinitive form of a verb plus any complements and modifiers.
The complement of an infinitive verb will often be its direct object,
and the modifier will often be an adverb.
For example: He likes to
knead the dough slowly. (The infinitive verb is to knead. The
complement is its direct object (the dough). The modifier is the
adverb (slowly). They all make up the infinitive phrase (the shaded
Examples of Infinitive Phrases Here are some examples of
infinitive phrases (shaded):
He helped to build the roof.
The officer returned to help the inspectors.
Let me show you the best way to fit a
She tells you to dance like no one is watching.
is the last call= predicate
for passengers= prepositional phrase
to board Flight 139 = infinitive clause
In simple grammatical terms.
a call in airline terminology means an announcement over a loudspeaker.
This is the last chance for him to do his homework.
There are thousands of prepositional phrases with for + a noun or pronoun.
Grammatical function of infinitive clauses:
"A subordinate clause with an infinitive often acts as the subject or
object of the main clause. In the following examples, the whole
infinitive clause [in bold] is understood as the subject of is human,
is decadent or was unnecessary.
- To err is human.
- To drink Martinis before noon is decadent.
- For Mervyn to redirect Maggie's mail was unnecessary."
"And in the following examples, the whole infinitive clause [again in
bold] is understood as the direct object of hates, loves and expected.
- Jim hates to wash his car."