Use of the definite article in 'Funny Money'

1. Article + ONLY
   The only / an only ???
   A friend of mine was an only child. (only child = noun)
   He was the only child in his family. (only=adjective child=noun).
   
   
2. What is the plural of mother-in-law?
   
   
3. Substances and commodities
   Bread can be very fattening. Sugar is sweet. Money can be hard to come by. Milk usually comes from cows. Please pass me the milk.
   
   
4. What's the difference between
   1.The century
   2. a century
   
   The 21st century. (But a century = one hundred years)
   
   
5. The SOMETHING of SOMETHING - a SOMETHING of SOMETHING (measurement of quantity)
   I had the history at my school. (INCORRECT)
   I studied history when I was at school. (CORRECT)
   My favourite subject at school was physics.
   a money (noun) (n)
   I have a money (n)
   
   
6. Using the indefinite article for uncountable nouns.
   This implies that there is a measurement.
   My best friend bought me a beer.
   My best friend bought me a (glass of ) beer.
   
   
7. What is the difference in meaning between;
   a) most varied objects have functioned as money
   b) The most varied objects have functioned as money,
   
   Superlative
   THE MOST (Always with the definite article)
   used to form the superlative of many adjectives and adverbs
   Joanne is the most intelligent person I know.
   The department needs three more computers in order to work most effectively (= to work as effectively as possible).
   
   
8. Most = almost all (Without THE)
   I don't eat meat, but I like most types of fish.
   In this school, most of the children are from the Chinese community.
   
   
9. Countries without 'the' definite article
   These are the exceptions a) The Ukraine
   b) The Netherlands
   c) The Philippines
   
   
10. Parts of something
    the (claws and tongue) the claws and the tongue.
    
    
    

Sentences to consider

1. Please pass the sugar.
2. Sugar is sweet.
3. The seventeenth century.
4. A century has passed
5. When will you return the money that I lent you?
6. English is an international language.
7. The English drink a lot of tea.
8. The most unusual events are held in this hall.
9. I have been building a house. So far I have finished the walls and fitted all the windows.
10. Make yourself scarce