diff --git a/tts/text/sequencing/test_english_symbols_v1.py b/tts/text/sequencing/test_english_symbols_v1.py
index 2f5b170..00b4438 100644
--- a/tts/text/sequencing/test_english_symbols_v1.py
+++ b/tts/text/sequencing/test_english_symbols_v1.py
@@ -16,4 +16,8 @@ class TestEnglishSymbols:
 
     def test_grapheme_word(self):
         output = symbols_to_sequence('test')
-        assert output == [57, 42, 56, 57]
\ No newline at end of file
+        assert output == [57, 42, 56, 57]
+
+    def test_grapheme_sentence(self):
+        output = symbols_to_sequence('this is a test.')
+        assert output == [57, 45, 46, 56, 11, 46, 56, 11, 38, 11, 57, 42, 56, 57, 7]
\ No newline at end of file