diff --git a/src/main/java/semantic/SemanticAnalyzer.java b/src/main/java/semantic/SemanticAnalyzer.java
index db9cac0..7f6e9a4 100644
--- a/src/main/java/semantic/SemanticAnalyzer.java
+++ b/src/main/java/semantic/SemanticAnalyzer.java
@@ -24,6 +24,7 @@ import ast.statementexpressions.crementexpressions.IncrementNode;
 import ast.statementexpressions.methodcallstatementnexpressions.MethodCallNode;
 import ast.statementexpressions.methodcallstatementnexpressions.TargetNode;
 import ast.statements.*;
+import ast.type.AccessModifierNode;
 import ast.type.EnumAccessModifierNode;
 import ast.type.ValueNode;
 import ast.type.type.*;
@@ -411,8 +412,18 @@ public class SemanticAnalyzer implements SemanticVisitor {
     }
 
     @Override
-    public TypeCheckResult analyze(NonCalculationNode toCheck) {
-        return null;
+    public TypeCheckResult analyze(NonCalculationNode nonCalculationNode) {
+
+        var expResult = nonCalculationNode.expression.accept(this);
+        var unaryResult = nonCalculationNode.unaryExpression.accept(this);
+
+        if(Objects.equals(expResult.getType(), unaryResult.getType())){
+           return new TypeCheckResult(expResult.isValid() && unaryResult.isValid(), expResult.getType());
+        } else {
+            errors.add(new TypeMismatchException("NonCalculation node " + nonCalculationNode.getType() + " does not match expression " + expResult.getType()));
+        }
+
+        return new TypeCheckResult(false, null);
     }
 
     @Override
@@ -437,9 +448,12 @@ public class SemanticAnalyzer implements SemanticVisitor {
         } else if(unary.value != null){
             var result = unary.value.accept(this);
             return new TypeCheckResult(result.isValid(), result.getType());
+        } else if(unary.memberAccess != null){
+            var result = unary.memberAccess.accept(this);
+            return new TypeCheckResult(result.isValid(), result.getType());
         }
 
-        return new TypeCheckResult(valid, null);
+        return new TypeCheckResult(false, null);
     }
 
     @Override
@@ -464,7 +478,11 @@ public class SemanticAnalyzer implements SemanticVisitor {
                     var currentTypeClass = context.getClass(reference.getIdentifier());
 
                     var currentField = currentTypeClass.getField(s);
-                    currentType = currentField.getType();
+                    if(currentField.getAccessModifier().accessType == EnumAccessModifierNode.PUBLIC){
+                        currentType = currentField.getType();
+                    } else {
+                        errors.add(new NotVisibleException("This field is not visible"));
+                        return new TypeCheckResult(false, null);                    }
                 }
             }
 
diff --git a/src/main/java/semantic/context/FieldContext.java b/src/main/java/semantic/context/FieldContext.java
index 8443520..aba5ba0 100644
--- a/src/main/java/semantic/context/FieldContext.java
+++ b/src/main/java/semantic/context/FieldContext.java
@@ -18,4 +18,8 @@ public class FieldContext {
     return type;
   }
 
+  public AccessModifierNode getAccessModifier() {
+    return accessModifier;
+  }
+
 }
diff --git a/src/test/resources/input/typedAstExceptionsTests/FieldIsNotVisible.java b/src/test/resources/input/typedAstExceptionsTests/FieldIsNotVisible.java
new file mode 100644
index 0000000..ce099d3
--- /dev/null
+++ b/src/test/resources/input/typedAstExceptionsTests/FieldIsNotVisible.java
@@ -0,0 +1,20 @@
+// @expected: NotVisibleException
+public class Test{
+
+    public Car c;
+
+    public int test(){
+        return c.speed;
+    }
+
+}
+
+public class Car{
+
+    private int speed;
+
+    public int getSpeed(){
+        return speed;
+    }
+
+}
\ No newline at end of file
diff --git a/src/test/resources/input/typedAstFeaturesTests/CorrectTest.java b/src/test/resources/input/typedAstFeaturesTests/CorrectTest.java
index bcb6b9c..f908225 100644
--- a/src/test/resources/input/typedAstFeaturesTests/CorrectTest.java
+++ b/src/test/resources/input/typedAstFeaturesTests/CorrectTest.java
@@ -1,21 +1,26 @@
-public class Test{
 
-    public int i;
-    public boolean b;
+public class Test {
 
-    public int test(){
-
-        return this.test(b);
+    public Car c;
 
+    public int test(boolean b, int x) {
+        if (b == true) {
+            return c.getSpeed();
+        } else {
+            x++;
+            return x;
+        }
     }
 
-    public void test(int a){
+}
 
+public class Car {
+
+    private int speed;
+
+    public int getSpeed() {
+        return speed;
     }
 
-    public int test(boolean bool){
-        int ret = 1;
-        return ret;
-    }
+}
 
-}
\ No newline at end of file