past -

regular: add -d or -ed.
irregular: no single predictable pattern

create example sentences using : teach, know, dig

So, I assume it is asking for a past tense version of a sentence using these three words.

I taught my students how to divide decimal numbers today.

If he had known that it would've hurt, he wouldn't have said it.

The man had dug a hole earlier for his plant he wanted to grow.

(Correct me if I'm wrong, please. :))

-Mabel <3

allusion   is the right answer

i love cake

and don't hate

i know i'm fat

but what's wrong with that

i cant rap

but im sure ya know that

its just for fun

so quit hatin' son

~courtney