Study the main partitives.
 
Phrases with countable and uncountable nouns (pieces).
 
Remember!

A bar of chocolate

A bar of soap

A hunk of cheese

A chunk of rock
  
A cube of sugar
  
shutterstock_355938749.jpg
Рис. \(1\). Sugar
 
A block of ice

A slab of concrete
  
shutterstock_1378323947.jpg
Рис. \(2\). Concrete
  
A rasher of bacon
  
shutterstock_1053696977.jpg
Рис. \(3\). Bacon
 
A clod of earth

A wad of banknotes

A slice of cake

A slice of bread

A dollop of jam
  
A lump of butter
  
shutterstock_1720152742.jpg
Рис. \(4\). Butter

A sheet of paper

A pane of glass

A blob of paint

A trickle of rain

A drop of sauce

A puff of perfume
  
shutterstock_1522999559.jpg
Рис. \(5\). Perfume
 
A wisp of smoke
 
A segment of orange

A pinch of salt

A chip of china

A shred of cloth

A square of chocolate
  
shutterstock_343148819.jpg
Рис. \(6\). Chocolate
 
Examples:
 
I want to eat a square of chocolate.
Look! There is a segment of orange on the plate.
Give me a sheet of paper, please.