5.3.12. Group the words given below according to the following stress pattems:Π primary stress; | secondary stress; © unstressed egin{tabular}{|l|l|l|l|l|l|l|} hline 1 square • & 2 • square & 3 square • • & 4 square square • & 5 •] • • & 6[•] • & 7 •[•]

5.3.12. Group the words given below according to the following stress pattems:Π primary stress; | secondary stress; © unstressed
\begin{tabular}{|l|l|l|l|l|l|l|}
\hline 1 \square • & 2 • \square & 3 \square • • & 4 \square \square • & 5 •] • • & 6[•] • & 7 •[•] • ability, absolute, abstract (noun), abstract (verb). accent (noun), accent (verb), apology, blucbottle, broadcast, brutality, candidate, chocolate, cleanshaven, communicate, communication, contest (noun). contest (verb), delivery, demonstration, diskette, education, estimate, facility, faculty, fireplace. goldsmith, gooseberry, granddaughter, grateful, gratefulness, gratitude, greenfield, hesitate. hesitation, holiday. hospital, hothouse, illuminate, illumination, industrial, industry, kettle, librarian, library, lighthouse, memorial, memory, multiple, nativity, network, original, oval, perfume (noun), policy. political, politics, puma, quick-tempered, record (noun), record (verb), refuse (noun). refuse (verb), refuse (adjective), relative, repetition, right-handed. scribble, slow-minded, strongbox. subject (noun), subject (verb), syllable, teapot, television, tropical, urgency, vertical, vessel, wastepaper, yellowbird.