Question

pick out the infinitive in the given sentence and make your own sentence he will give a reward to anyone who will teach him how he might know the most important thing to do

Answer 1

to anyone = give this book to any other person.
to do= l have to do work right now.
hope it will help you
plz mark as BRIANLIEST.

Answer 2

infinitive are the non finite verbs
preceded by to

In the following sentence,
infinitive: to do
sentence: He is supposed to do I
his work now.