First of all the fundamental level of giving examples is understanding what carbohydrates are mainly sugars and starches that have 3 principal types of nutrients.
Some examples I found:
glucose (monosaccharide)
fructose (monosaccharide)
galactose (monosaccharide)
sucrose (disaccharide)
lactose (disaccharide)
cellulose (polysaccharide)
chitin (polysaccharide)
starch
