feat: examples

ex/theme-11-negatives/practice-02.md

@@ -4,6 +4,8 @@ Source style: fill in the gap and simple dialogue practice.
 
 ### Exercise 4. Complete the sentence
 
+Example: This is my ___ . -> bag
+
 1. It __________ red.
 2. I __________ a teacher.
 3. They __________ at school.
@@ -18,6 +20,8 @@ Words:
 
 ### Exercise 5. Write the short answer
 
+Example: Are you OK? -> Yes, I am.
+
 1. Are you nine? __________
 2. Is it green? __________
 3. Have they got a car? __________
@@ -25,6 +29,8 @@ Words:
 
 ### Exercise 6. Complete the mini-dialogue
 
+Example: A: Are you OK? B: Yes, I am.
+
 1. A: Is she your mum?  
    B: No, she __________.