Intensifiers are adverbs or adverbial phrases that strengthen the meaning of other expressions and show emphasis. Words that we commonly use as intensifiers include absolutely, completely, extremely, highly, rather, really, so, too, totally, utterly, very and at all:

In spoken English, the verb GET sometimes replaces the verb BE in passive sentences. We call this the “get-passive”.

And we can also use GET with adjectives to show changes over time (to become something). 

To have a better idea of what these concepts are, take a look at these explanations and exercises:

https://www.grammar-quizzes.com/passive2.html

https://www.esl-lounge.com/student/grammar/3g3-get-passive.php

http://english-zone.com/grammar/get1.html

https://www.ecenglish.com/learnenglish/lessons/get-become

Here you can find some exercises to practice with these conjunctions: