feat: examples

ex/theme-01-basics-review/practice-01.md

@@ -4,6 +4,8 @@
 
 Write **am / is / are**.
 
+Example: Look at the task and write the answer.
+
 1. I ___ Anna.
 2. He ___ my friend.
 3. They ___ happy.
@@ -15,6 +17,8 @@ Write **am / is / are**.
 
 Write **am not / is not / are not**.
 
+Example: I have got a bag. -> I haven’t got a bag.
+
 1. I ___ a doctor.
 2. He ___ sad.
 3. They ___ children.
@@ -23,6 +27,8 @@ Write **am not / is not / are not**.
 
 ### Exercise 3. Choose the correct word
 
+Example: apple / banana -> apple
+
 1. This is (my / these) bag.
 2. She is (his / my) mum.
 3. He is (her / your) teacher.