it says use the following formula es/son (plus) de (plus) material or pattern

model - estas botas/cuero =

estas botas son de cuero

este traje/lana i am not sure what to do

Thank you for using the Jiskha Homework Help Forum. If you follow the model it will be subject "este traje" + es + de lana." (This suit is wool/of wool.)

Sra