feat: examples

ex/theme-09-plurals/practice-06.md

@@ -2,12 +2,16 @@
 
 ### Exercise 16. Write the plural
 
+Example: one book -> two books
+
 1. cat -> __________
 2. bus -> __________
 3. baby -> __________
 
 ### Exercise 17. Match
 
+Example: 1 -> b
+
 1. one watch
 2. one fox
 3. one cherry
@@ -18,18 +22,24 @@ c. foxes
 
 ### Exercise 18. Choose
 
+Example: apple / banana -> apple
+
 1. two box / boxes
 2. two toy / toys
 3. two brush / brushes
 
 ### Exercise 19. Write s / es / ies
 
+Example: book -> books -> s
+
 1. car -> car___
 2. dish -> dish___
 3. baby -> bab___
 
 ### Exercise 20. Make one sentence
 
+Example: Look at the task and write the answer.
+
 1. these / apples  
    ____________________
 2. these / buses  
@@ -37,17 +47,23 @@ c. foxes
 
 ### Exercise 21. Complete
 
+Example: I ___ happy. -> am
+
 1. I have got two __________. (fox)
 2. These are red __________. (cherry)
 
 ### Exercise 22. Choose
 
+Example: apple / banana -> apple
+
 1. two potatoes / potato
 2. two leaves / leafs
 3. two benches / benchs
 
 ### Exercise 23. Match
 
+Example: 1 -> b
+
 1. leaf
 2. bench
 3. potato
@@ -59,3 +75,6 @@ c. leaves
 ### Exercise 24. Write one answer
 
 Plural of dress: __________
+
+Example: Plural of cat -> cats
+