diff --git a/lib/6to5/generators/statements.js b/lib/6to5/generators/statements.js
index 0b4baf2050..8d00388636 100644
--- a/lib/6to5/generators/statements.js
+++ b/lib/6to5/generators/statements.js
@@ -1,14 +1,16 @@
 var _ = require("lodash");
 
 exports.WithStatement = function (node, print) {
-  this.push("with (");
+  this.keyword("with");
+  this.push("(");
   print(node.object);
   this.push(") ");
   print(node.body);
 };
 
 exports.IfStatement = function (node, print) {
-  this.push("if (");
+  this.keyword("if");
+  this.push("(");
   print(node.test);
   this.push(") ");
   print(node.consequent);
@@ -29,7 +31,8 @@ exports.BlockStatement = function (node, print) {
 };
 
 exports.ForStatement = function (node, print) {
-  this.push("for (");
+  this.keyword("for");
+  this.push("(");
 
   print(node.init);
   this.push("; ");
@@ -44,14 +47,16 @@ exports.ForStatement = function (node, print) {
 };
 
 exports.WhileStatement = function (node, print) {
-  this.push("while (");
+  this.keyword("while");
+  this.push("(");
   print(node.test);
   this.push(") ");
   print(node.body);
 };
 
 exports.ForInStatement = function (node, print) {
-  this.push(node.each ? "for each (" : "for (");
+  this.keyword("for");
+  this.push("(");
   print(node.left);
   this.push(" in ");
   print(node.right);
@@ -60,7 +65,8 @@ exports.ForInStatement = function (node, print) {
 };
 
 exports.ForOfStatement = function (node, print) {
-  this.push("for (");
+  this.keyword("for");
+  this.push("(");
   print(node.left);
   this.push(" of ");
   print(node.right);
@@ -103,7 +109,7 @@ exports.LabeledStatement = function (node, print) {
 };
 
 exports.TryStatement = function (node, print) {
-  this.push("try ");
+  this.keyword("try");
   print(node.block);
   this.push(" ");
   print(node.handler);
@@ -114,7 +120,8 @@ exports.TryStatement = function (node, print) {
 };
 
 exports.CatchClause = function (node, print) {
-  this.push("catch (");
+  this.keyword("catch");
+  this.push("(");
   print(node.param);
   this.push(") ");
   print(node.body);
@@ -127,7 +134,8 @@ exports.ThrowStatement = function (node, print) {
 };
 
 exports.SwitchStatement = function (node, print) {
-  this.push("switch (");
+  this.keyword("switch");
+  this.push("(");
   print(node.discriminant);
   this.push(") {");
   if (node.cases.length > 0) {