Infinitives and Their Functions

An infinitive is 

• "to" + verb
• "to"
• "to" + noun
• verb

What is the infinitive in the sentence? - I am happy to see you buying that movie!

• to see
• am happy
• you buying
• no infinitive

Identify the infinitive. - My cat is going to sleep all day.

• is going
• My cat
• to sleep
• to sleep all day

Identify the infinitive phrase in the sentence. - Are you planning to climb the mountain on Saturday?

• to climb
• on Saturday
• Are you planning
• to climb the mountain

Identify the infinitive phrase. - It's so lovely to go outside!

• to go
• to go outside
• so lovely
• no infinitive phrase

Identify the prepositional phrase. - I am driving to my boyfriend's house today.

• am driving
• house today
• to my boyfriend's house
• no prepositional phrase

Infinitive or Preposition?
I'm at a payphone trying to call home.

• Infinitive
• Preposition
• Both

Which is an infinitive?

• to the store
• to run away
• to Pizza Hut
• to school

Choose the sentene that is written correctly.

• What do you do to stay alive?
• What do you do stay alive?
• What do you do in order stay alive?

Choose the sentence that is written correctly.

• Most people in the US drive to get to work
• Most people in the US drive getting to work.
• Most people in the US drive in order get work.