Question

Later, they used it to the transport materials (pick out the infinitive) do as directed question

Answer 1

In this sentence ' transport' is the word which plays the role of an infinitive.

An infinitive is a word in English grammar which originally appears as a verb. But an infinitive verb can also be used as a noun or adjective.

This is a dictionary form of the word written in the format -
To + the verb.

Here the word transport is the Infinitive.

Answer 2

In this sentence ' transport' is the word which plays the role of an infinitive.

An infinitive is a word in English grammar which originally appears as a verb. But an infinitive verb can also be used as an objective or noun