Here the word behind is an Adverb because it is given in the end.
A preposition is a word or group of words used before a noun, pronoun, or noun phrase to show direction, time, place, location, spatial relationships, or to introduce an object.
Energy is a noun, as is will here.
Take is a verb.
All is an adverb modifying take.
“Your” is an adjective modifying energy and will.
The word Refute is a verb which means repudiate or disallow.
Opposite words of Refute: allow or confirm
For example: I can easily refute her argument.
Teachers should be friendly to students.
No article
Everybody, everything, nobody, nothing, somebody, something anybody, anything are the examples of pronoun.
These pronouns considered as singular.
These pronouns are used for people and things.
Use is with singular subjects and are with plural subjects.
Passive voice formula: It is time + for + noun/pronoun + to be + v3.
Because egg gives vowel sound.