1. Infinitive Phrases

2. Definition
An infinitive is a verb form, usually beginning with the word “to,” that can act as a NOUN, ADJ or ADV.
Infinitive phrases take on several functions in a sentence: Subject, DO, PN, ADJ or ADV

3. Examples
Subject: To yodel on a mountaintop is an acquired skill, taking many years to perfect.
Direct Ob: Since he was six, Jean-Pierre has tried to yodel on a mountaintop. (tried what?)
Pred. Nom: Jean-Pierre’s life-long goal is to yodel on a mountaintop.(goal is what?)

4. Examples
Adj: The Alps is the perfect place to yodel on a mountaintop. (describes “place”)
Adv: To yodel on a mountaintop, Jean-Pierre will have to practice many more years. (tells WHY he will practice)

5. Identify the Infinitive phrase and its function
Many bees are needed to form a honeybee colony.
The queen bee’s main job is to lay eggs.
The drones, or male bees, exist only to mate.
The all-female worker bees have a lot more work to do.
They build the honeycomb as a place to raise young bees.