use better preposition

Author: coke

doc/Language/objects.pod6

@@ -285,7 +285,7 @@ Private methods are invoked with an exclamation mark instead of a dot:
         }
     }
 
-Private methods are not inherited to subclasses.
+Private methods are not inherited by subclasses.
 
 =head2 Submethods
 

doc/Type/Metamodel/PrivateMethodContainer.pod6

@@ -7,7 +7,7 @@
     role Metamodel::PrivateMethodContainer { ... }
 
 In Perl 6, classes, roles and grammars can have private methods, that is,
-methods that are only callable from within the class, and are not inherited to
+methods that are only callable from within the class, and are not inherited by
 types derived by inheritance.
 
     class A {

doc/Type/Submethod.pod6

@@ -6,7 +6,7 @@
 
     class Submethod is Routine {}
 
-A Submethod is a method that is not inherited to child classes. They are
+A Submethod is a method that is not inherited by child classes. They are
 typically used for per-class initialization and tear-down tasks which are
 called explicitly per class in an inheritance tree, usually for enforcing a
 particular order. For example object construction with the C<BUILD> submethod