If the fabric was to have a pattern, there might also be a close-up colored sketch of it.
( ( If ( ( the fabric ) ( was ( to ( have ( a pattern ) ) ) ) ) ) ( , ( there ( ( ( might also ) ( be ( ( a ( close-up ( colored sketch ) ) ) ( of it ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (DT the) (NN fabric)) (VP (VBD was) (S (VP (TO to) (VP (VB have) (NP (DT a) (NN pattern)))))))) (, ,) (NP (EX there)) (VP (MD might) (ADVP (RB also)) (VP (VB be) (NP (NP (DT a) (JJ close-up) (VBN colored) (NN sketch)) (PP (IN of) (NP (PRP it)))))) (. .)))
Should the fabric have a pattern, a close-up colored sketch of it accompanies it.
( ( ( Should ( the fabric ) ) ( have ( a pattern ) ) ) ( , ( ( ( a ( close-up ( colored sketch ) ) ) ( of it ) ) ( ( accompanies it ) . ) ) ) )
(ROOT (S (PRN (SINV (MD Should) (NP (DT the) (NN fabric)) (VP (VB have) (NP (DT a) (NN pattern))))) (, ,) (NP (NP (DT a) (JJ close-up) (JJ colored) (NN sketch)) (PP (IN of) (NP (PRP it)))) (VP (VBZ accompanies) (NP (PRP it))) (. .)))