Fix grammar

Fixes #46961

Change-Id: Ic4534e7e27a0ecee681992cb00d92f0d290a7054
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/210729
Reviewed-by: Brian Wilkerson <brianwilkerson@google.com>
Commit-Queue: Brian Wilkerson <brianwilkerson@google.com>

pkg/analysis_server/test/search/element_references_test.dart

@@ -58,9 +58,9 @@ void f() {
   }
 
   Future<void> test_constructor_named_potential() async {
-    // Constructors in other classes shouldn't be considered potential matches,
-    // nor should unresolved method calls, since constructor call sites are
-    // statically bound to their targets).
+    // Constructors in other classes shouldn't be considered potential matches.
+    // Unresolved method calls should also not be considered potential matches,
+    // because constructor call sites are statically bound to their targets.
     addTestFile('''
 class A {
   A.named(p); // A

pkg/analyzer/lib/src/generated/error_verifier.dart

@@ -2811,7 +2811,7 @@ class ErrorVerifier extends RecursiveAstVisitor<void>
 
     var enclosingClass = _enclosingClass;
     if (enclosingClass == null) {
-      // The field is in an extension and should handled elsewhere.
+      // The field is in an extension and should be handled elsewhere.
       return;
     }
     var hasConstConstructor = enclosingClass.constructors.any((c) => c.isConst);

pkg/compiler/lib/src/ssa/optimize.dart

@@ -1566,7 +1566,7 @@ class SsaInstructionSimplifier extends HBaseVisitor
         return assignField();
       }
       // TODO(sra): Implement inlining of setters with checks for new rti. The
-      // check and field assignment for the setter should inlined if this is
+      // check and field assignment for the setter should be inlined if this is
       // the only call to the setter, or the current function already computes
       // the type of the field.
       node.needsCheck = true;

pkg/front_end/lib/src/fasta/kernel/class_hierarchy_builder.dart

@@ -2675,7 +2675,7 @@ class ClassHierarchyNodeBuilder {
             //      //   {Super.method, Class.method}
             //    }
             //
-            // Maybe we should recognized this.
+            // Maybe we should recognize this.
             interfaceMembers.addAll(implementedMembers);
 
             /// Normally, if only one member defines the interface member there