An infinitive is preceded by the word to in of a

An infinitive is preceded by the word "to". Infinitives are the simplest forms of a verb, and are not usually used as the main verb of the sentence. They can be used as adverbs, adjectives, or nouns. Examples of infinitives are:

To sing is her dream (noun)
Give me a song to sing (adjective)
The artist dropped by to sing (adverb)

1. lovingly and gently2.it shows that they feel warm feelings for them3.they provide background4.a strong executive is needed to lead the country

A, this way you know that there’s a less of a chance of it having biased information or edited by other people-making false information