diff --git a/lib/6to5/generators/expressions.js b/lib/6to5/generators/expressions.js
index b74612d07c..c7df89f842 100644
--- a/lib/6to5/generators/expressions.js
+++ b/lib/6to5/generators/expressions.js
@@ -2,7 +2,12 @@ var _ = require("lodash");
 
 exports.UnaryExpression = function (node, print) {
   this.push(node.operator);
-  if (/[a-z]$/.test(node.operator)) this.push(" ");
+
+  var arg = node.argument;
+  if (/[a-z]$/.test(node.operator) || arg.type === "UpdateExpression" || arg.type === "UnaryExpression") {
+    this.push(" ");
+  }
+
   print(node.argument);
 };
 
@@ -27,8 +32,9 @@ exports.ConditionalExpression = function (node, print) {
 };
 
 exports.NewExpression = function (node, print) {
-  this.push("new ");
+  this.push("new (");
   print(node.callee);
+  this.push(")");
   if (node.arguments) {
     this.push("(");
     this.printJoin(print, node.arguments, ", ");
@@ -36,7 +42,6 @@ exports.NewExpression = function (node, print) {
   }
 };
 
-
 exports.SequenceExpression = function (node, print) {
   this.printJoin(print, node.expressions, ", ");
 };
@@ -52,13 +57,6 @@ exports.CallExpression = function (node, print) {
   this.push(")");
 };
 
-exports._maybeParans = function (node, print) {
-  var is = _.contains(["FunctionExpression", "BinaryExpression", "AssignmentExpression"], node.type);
-  if (is) this.push("(");
-  print(node);
-  if (is) this.push(")");
-};
-
 exports.YieldExpression = function (node, print) {
   this.push("yield");
   if (node.delegate) this.push("*");
@@ -69,17 +67,17 @@ exports.YieldExpression = function (node, print) {
 };
 
 exports.EmptyStatement = function () {
-
+  this.semicolon();
 };
 
 exports.ExpressionStatement = function (node, print) {
   print(node.expression);
-  this.push(";");
+  this.semicolon();
 };
 
 exports.BinaryExpression =
 exports.LogicalExpression =
-exports.AssignmentExpression = function (node, print) {
+exports.AssignmentExpression = function (node, print, parent) {
   print(node.left)
   this.push(" " + node.operator + " ");
   print(node.right);
@@ -103,19 +101,29 @@ exports.ParenthesizedExpression = function (node, print) {
 };
 
 exports.TaggedTemplateExpression = function (node, print) {
-  throw new Error("TaggedTemplateExpression");
+  print(node.tag);
+  print(node.quasi);
 };
 
 exports.TemplateElement = function (node, print) {
-  throw new Error("TemplateElement");
+  this.push(node.value.raw);
 };
 
 exports.TemplateLiteral = function (node, print) {
   this.push("`");
 
-  var self = this;
-  _.each(expr.quasis, function (quasi) {
+  var quasis = node.quasis;
+  var self   = this;
+  var len    = quasis.length;
 
+  _.each(quasis, function (quasi, i) {
+    print(quasi);
+
+    if (i + 1 < len) {
+      self.push("${ ");
+      print(node.expressions[i]);
+      self.push(" }");
+    }
   });
 
   this.push("`");