With question tags:

(1)Everything has been done on how to prevent the pollution, ________ ?

(2)Man is the master of his own fate, ________ ?

conjuncts

unit nouns

tense

What's the four features of adjectives?

free morpheme

What are the voice constraints?

Using discontinuity:

Everyone except Bob survived the disease.

Using an exclamation:

It is an interesting story.

Using fronting:

You've made a wonderful suggestion!

Using an appropriate genitive or a double genitive:

I believe the reputation of our university is as good as that of any other university.