Gerundial Infinitive : The infinitives that are used as an adjective or an adverb are called 'gerundial infinitives'. A gerundial infinitive has many uses:-
To modify a Verb:-
a. He decided to work there. (Purpose)
b. He went to the place to save him. (Purpose)
c. We eat to live. (Cause)
In these sentences infinitive is representing a 'purpose or cause'. Therefore, it modifies a verb here.
To qualify an Adjective:-
a. It is good to go for a walk daily.
b. She is quick to learn things.
c. He is hard to cope with.
In these sentences infinitive is representing the feature of an adjective. Therefore, it qualifies adjectives like good, quick and hard.
To qualify a Sentence:-
a. To go there, I need some money.
b. To go for a walk, we should get up early in the morning.
c. To get a job, he had to go through many interviews.
In these sentences infinitive is featuring the sentences like 'I need some money, we should get up early in the morning and he had to go through many interviews'. And it is used as isolated from the main sentence that is, it is not related to the main sentence.
In the next part you will learn the use of infinitives without 'To'.
