diff --git a/pythainlp/nlp.py b/pythainlp/nlp.py
new file mode 100644
index 000000000..f88079e0d
--- /dev/null
+++ b/pythainlp/nlp.py
@@ -0,0 +1,36 @@
+# -*- coding: utf-8 -*-
+from collections import Counter
+
+
+class WordList(list):
+    def __init__(self, collection):
+        super(WordList, self).__init__(collection)
+    def __str__(self):
+        return '|'.join(self)
+
+
+class nlp(object):
+    def __init__(self,text,dictlist=[]):
+        from pythainlp.tokenize import word_tokenize
+        self.word_tokenize = word_tokenize
+        from pythainlp.util import Trie
+        self.Trie = Trie
+        self.text=text
+        self.dictlist=dictlist
+        if self.dictlist==[]:
+            self.words=WordList(self.word_tokenize(self.text))
+        else:
+            self.dict=Trie(self.dictlist)
+            self.words=WordList(self.word_tokenize(self.text,custom_dict=self.dict))
+        self.word_counts=Counter(self.words)
+    def change_word_tokenize(self,name):
+        if self.dictlist==[]:
+            self.words=WordList(self.word_tokenize(self.text,engine=name))
+        else:
+            self.words=WordList(self.word_tokenize(self.text,custom_dict=self.dict))
+    def ngrams(self,n=1):
+        return [tuple(self.words[i:i+n]) for i in range(len(self.words)-n+1)]
+    def __repr__(self):
+        return self.text
+    def __str__(self):
+        return "|".join(self.words)