Suggest using only are/can and not both

Author: jsoref

.github/actions/spelling/line_forbidden.patterns

@@ -35,6 +35,9 @@
 # Should only be one of `a`, `an`, or `the`
 \b(?:(?:an?|the)\s+){2,}\b
 
+# Should only be `are` or `can`, not both
+\b(?:(?:are|can)\s+){2,}\b
+
 # Should probably be `ABCDEFGHIJKLMNOPQRSTUVWXYZ`
 (?i)(?!ABCDEFGHIJKLMNOPQRSTUVWXYZ)ABC[A-Z]{21}YZ