Prefix.; Write the words.; Then put the new word into a sentence.;
Examples.; 1.; un-; = not.; Example.; unlucky.;
un-; +; happy.; = unhappy.;
un-; +; comfortable.; =; uncomfortable.; un-; important.; =; unimportant.;
un-; +; able.; =; unable.;
2.; re-; =; again.; Example.; repeat.; say it again.;
re-; +; write.; =; rewrite.; re-; +; read.; =; reread.; re-; +; take.; = retake.;
re-; +; tell.; retell.;