diff --git a/mode/sh.py b/mode/sh.py
index 781fb35..6be7b5b 100644
--- a/mode/sh.py
+++ b/mode/sh.py
@@ -11,6 +11,16 @@ class StringGrammar(Grammar):
         PatternRule(r'variable', r"\$(?=\()"),
     ]
 
+class EvalGrammar(Grammar):
+    rules = [
+        RegionRule(r'string', "'", Grammar, "'"),
+        RegionRule(r'string', '"', StringGrammar, '"'),
+        PatternRule(r'escaped', r'\\.'),
+        PatternRule(r'variable', r"\${(?:[a-zA-Z0-9_]+|\?\$)}"),
+        PatternRule(r"variable", r"\$[^({][a-zA-Z0-9_]*"),
+        PatternRule(r'variable', r"\$(?=\()"),
+    ]
+
 class CaseGrammar(Grammar):
     rules = [
         RegionRule(r'stanza', r'.+\)', Grammar, r';;'),
@@ -44,8 +54,10 @@ class ShGrammar(Grammar):
         RegionRule(r'test', r'test', TestGrammar, r'\n'),
         RegionRule(r'test2', r'\[', TestGrammar, r'\]'),
         PatternRule(r'delimiter', r";;|[();{}|&><]"),
-        RegionRule(r'eval', r'`', StringGrammar, r'`'),
-        RegionRule(r'neval', r'\$\(', StringGrammar, r'\)'),
+        #RegionRule(r'eval', r'`', StringGrammar, r'`'),
+        #RegionRule(r'neval', r'\$\(', StringGrammar, r'\)'),
+        RegionRule(r'eval', r'`', EvalGrammar, r'`'),
+        RegionRule(r'neval', r'\$\(', EvalGrammar, r'\)'),
         PatternRule(r'variable', r"(?:^|(?<= ))[a-zA-Z_][a-zA-Z0-9_]*(?==)"),
         PatternRule(r'variable', r"\${(?:[a-zA-Z0-9_]+|\?\$)}"),
         PatternRule(r"variable", r"\$[^({][a-zA-Z0-9_]*"),