diff --git a/source/CMakeLists.txt b/source/CMakeLists.txt
index d7525a5..c6de361 100644
--- a/source/CMakeLists.txt
+++ b/source/CMakeLists.txt
@@ -43,7 +43,8 @@ target_link_libraries(${PROJECT_NAME}
 		VerbEnd
 		Plural
 		Genus
-                ResultWidget
+		AkkusativDativ
+		ResultWidget
 		Qt5::Widgets
 )
 
diff --git a/source/MetaData/CMakeLists.txt b/source/MetaData/CMakeLists.txt
index 4fdb651..01aa53f 100644
--- a/source/MetaData/CMakeLists.txt
+++ b/source/MetaData/CMakeLists.txt
@@ -23,6 +23,8 @@ set_target_properties(${PROJECT_NAME}
 target_include_directories(${PROJECT_NAME}
 	PRIVATE
 		${CMAKE_CURRENT_BINARY_DIR}
+	INTERFACE
+		${CMAKE_CURRENT_SOURCE_DIR}
 )
 
 target_link_libraries(${PROJECT_NAME}
diff --git a/source/ResultWidget/ResultModel.cpp b/source/ResultWidget/ResultModel.cpp
index 6198c59..a46e265 100644
--- a/source/ResultWidget/ResultModel.cpp
+++ b/source/ResultWidget/ResultModel.cpp
@@ -113,7 +113,6 @@ QVariant ResultModel::headerData(
 
 void ResultModel::setAge(const Age &age)
 {
-	qDebug() << "Age:" << age.years() << "years" << age.months() << "months";
 	m_age = age;
 	emit dataChanged(index(1, 0), index(4, 8));
 }
diff --git a/source/SubTests/AkkusativDativ/AkkusativDativWidget.cpp b/source/SubTests/AkkusativDativ/AkkusativDativWidget.cpp
new file mode 100644
index 0000000..4ba36b9
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/AkkusativDativWidget.cpp
@@ -0,0 +1,27 @@
+#include "AkkusativDativWidget.h"
+#include "ui_AkkusativDativWidget.h"
+
+#include "AkkusativModel.h"
+#include "DativModel.h"
+
+AkkusativDativWidget::AkkusativDativWidget(QWidget *parent)
+	: QWidget(parent)
+	, ui(new Ui::AkkusativDativWidget)
+{
+	ui->setupUi(this);
+}
+
+AkkusativDativWidget::~AkkusativDativWidget()
+{
+	delete ui;
+}
+
+void AkkusativDativWidget::setAkkusativModel(AkkusativModel *model)
+{
+	ui->akkusativTableView->setModel(model);
+}
+	
+void AkkusativDativWidget::setDativModel(DativModel *model)
+{
+	ui->dativTableView->setModel(model);
+}
diff --git a/source/SubTests/AkkusativDativ/AkkusativDativWidget.h b/source/SubTests/AkkusativDativ/AkkusativDativWidget.h
new file mode 100644
index 0000000..da7f7e9
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/AkkusativDativWidget.h
@@ -0,0 +1,25 @@
+#pragma once
+
+#include <QWidget>
+
+class AkkusativModel;
+class DativModel;
+
+namespace Ui {
+class AkkusativDativWidget;
+};
+
+class AkkusativDativWidget : public QWidget
+{
+	Q_OBJECT
+
+private:
+	Ui::AkkusativDativWidget *ui;
+
+public:
+	AkkusativDativWidget(QWidget *parent = nullptr);
+	~AkkusativDativWidget();
+
+	void setAkkusativModel(AkkusativModel *model);
+	void setDativModel(DativModel *model);
+};
diff --git a/source/SubTests/AkkusativDativ/AkkusativDativWidget.ui b/source/SubTests/AkkusativDativ/AkkusativDativWidget.ui
new file mode 100644
index 0000000..6eae9c3
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/AkkusativDativWidget.ui
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<ui version="4.0">
+ <class>AkkusativDativWidget</class>
+ <widget class="QWidget" name="AkkusativDativWidget">
+  <property name="geometry">
+   <rect>
+    <x>0</x>
+    <y>0</y>
+    <width>400</width>
+    <height>300</height>
+   </rect>
+  </property>
+  <property name="windowTitle">
+   <string>Form</string>
+  </property>
+  <layout class="QVBoxLayout" name="verticalLayout">
+   <item>
+    <widget class="QTableView" name="akkusativTableView"/>
+   </item>
+   <item>
+    <widget class="QTableView" name="dativTableView"/>
+   </item>
+  </layout>
+ </widget>
+ <resources/>
+ <connections/>
+</ui>
diff --git a/source/SubTests/AkkusativDativ/AkkusativModel.cpp b/source/SubTests/AkkusativDativ/AkkusativModel.cpp
new file mode 100644
index 0000000..93493ec
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/AkkusativModel.cpp
@@ -0,0 +1,15 @@
+#include "AkkusativModel.h"
+
+AkkusativModel::AkkusativModel(QObject *parent)
+	: CheckableTestModel(parent)
+{
+	m_tests = {
+		{ "Akkusativ Nominalphrase", { "Tiger", "Katze", "Affe", "Gans", "Bär",
+										 "Pferd", "Hund", "Elefant" } },
+		{ "Präpositionalphrase (Verstecke)",
+			{ "Vorhang", "Kiste", "Holz", "Kiste", "Baum", "Vorhang", "Holz",
+				"Baum" } },
+		{ "Nominalphrase (Futter)", { "Salat", "Fleisch", "Knochen", "Banane",
+										"Apfel", "Möhre", "Honig", "Zucker" } }
+	};
+}
diff --git a/source/SubTests/AkkusativDativ/AkkusativModel.h b/source/SubTests/AkkusativDativ/AkkusativModel.h
new file mode 100644
index 0000000..9ec74fd
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/AkkusativModel.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "CheckableTestModel.h"
+
+class AkkusativModel : public CheckableTestModel
+{
+	Q_OBJECT
+
+public:
+	AkkusativModel(QObject *parent);
+};
diff --git a/source/SubTests/AkkusativDativ/CMakeLists.txt b/source/SubTests/AkkusativDativ/CMakeLists.txt
new file mode 100644
index 0000000..05deb13
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/CMakeLists.txt
@@ -0,0 +1,37 @@
+cmake_minimum_required(VERSION 3.6)
+
+project(AkkusativDativ LANGUAGES CXX)
+
+find_package(Qt5Widgets REQUIRED)
+
+set(CMAKE_AUTOMOC ON)
+
+qt5_wrap_ui(UI_HEADERS 
+	AkkusativDativWidget.ui
+)
+
+add_library(${PROJECT_NAME}
+	AkkusativDativWidget.cpp
+	AkkusativModel.cpp
+	DativModel.cpp
+	${UI_HEADERS}
+)
+
+set_target_properties(${PROJECT_NAME}
+	PROPERTIES CXX_STANDARD 14
+)
+
+target_include_directories(${PROJECT_NAME}
+	PUBLIC
+		${CMAKE_CURRENT_SOURCE_DIR}
+	PRIVATE
+		${CMAKE_CURRENT_BINARY_DIR}
+)
+
+target_link_libraries(${PROJECT_NAME}
+	PRIVATE
+		CheckableItem
+		CheckableTest
+		CheckableTestModel
+		Qt5::Widgets
+)
diff --git a/source/SubTests/AkkusativDativ/DativModel.cpp b/source/SubTests/AkkusativDativ/DativModel.cpp
new file mode 100644
index 0000000..1856817
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/DativModel.cpp
@@ -0,0 +1,15 @@
+#include "DativModel.h"
+
+DativModel::DativModel(QObject *parent)
+	: CheckableTestModel(parent)
+{
+	m_tests = {
+		{ "Dativ Nominalphrase", { "Tiger", "Katze", "Affe", "Gans", "Bär",
+										 "Pferd", "Hund", "Elefant" } },
+		{ "Präpositionalphrase (Verstecke)",
+			{ "Vorhang", "Kiste", "Holz", "Kiste", "Baum", "Vorhang", "Holz",
+				"Baum" } },
+		{ "Nominalphrase (Tiere)", { "Salat", "Fleisch", "Knochen", "Banane",
+										"Apfel", "Möhre", "Honig", "Zucker" } }
+	};
+}
diff --git a/source/SubTests/AkkusativDativ/DativModel.h b/source/SubTests/AkkusativDativ/DativModel.h
new file mode 100644
index 0000000..306c8ce
--- /dev/null
+++ b/source/SubTests/AkkusativDativ/DativModel.h
@@ -0,0 +1,11 @@
+#pragma once
+
+#include "CheckableTestModel.h"
+
+class DativModel : public CheckableTestModel
+{
+	Q_OBJECT
+
+public:
+	DativModel(QObject *parent);
+};
diff --git a/source/SubTests/CMakeLists.txt b/source/SubTests/CMakeLists.txt
index ad4883e..5eabd7e 100644
--- a/source/SubTests/CMakeLists.txt
+++ b/source/SubTests/CMakeLists.txt
@@ -3,3 +3,4 @@ cmake_minimum_required(VERSION 3.6)
 add_subdirectory(VerbEnd)
 add_subdirectory(Genus)
 add_subdirectory(Plural)
+add_subdirectory(AkkusativDativ)
diff --git a/source/mainwindow.ui b/source/mainwindow.ui
index 2c6aed1..8a20f59 100644
--- a/source/mainwindow.ui
+++ b/source/mainwindow.ui
@@ -50,6 +50,16 @@
         </item>
        </layout>
       </widget>
+      <widget class="QWidget" name="akkusativDativTab">
+       <attribute name="title">
+        <string>Subtest 4: Akkusativ und Dativ</string>
+       </attribute>
+       <layout class="QVBoxLayout" name="verticalLayout_7">
+        <item>
+         <widget class="AkkusativDativWidget" name="widget" native="true"/>
+        </item>
+       </layout>
+      </widget>
       <widget class="QWidget" name="PluralTab">
        <attribute name="title">
         <string>Subtest 5: Plural</string>
@@ -122,7 +132,7 @@
   </widget>
   <action name="actionSave_as">
    <property name="icon">
-    <iconset>
+    <iconset resource="mainwindow.qrc">
      <normaloff>:/images/document-save-as.png</normaloff>:/images/document-save-as.png</iconset>
    </property>
    <property name="text">
@@ -137,7 +147,7 @@
   </action>
   <action name="actionOpen">
    <property name="icon">
-    <iconset>
+    <iconset resource="mainwindow.qrc">
      <normaloff>:/images/document-open.png</normaloff>:/images/document-open.png</iconset>
    </property>
    <property name="text">
@@ -149,7 +159,7 @@
   </action>
   <action name="actionNew">
    <property name="icon">
-    <iconset>
+    <iconset resource="mainwindow.qrc">
      <normaloff>:/images/document-new.png</normaloff>:/images/document-new.png</iconset>
    </property>
    <property name="text">
@@ -169,7 +179,7 @@
   </action>
   <action name="actionSave">
    <property name="icon">
-    <iconset>
+    <iconset resource="mainwindow.qrc">
      <normaloff>:/images/document-save-as.png</normaloff>:/images/document-save-as.png</iconset>
    </property>
    <property name="text">
@@ -184,7 +194,7 @@
   <customwidget>
    <class>MetaDataWidget</class>
    <extends>QWidget</extends>
-   <header>MetaData/MetaDataWidget.h</header>
+   <header>MetaDataWidget.h</header>
    <container>1</container>
   </customwidget>
   <customwidget>
@@ -211,6 +221,12 @@
    <header>ResultWidget.h</header>
    <container>1</container>
   </customwidget>
+  <customwidget>
+   <class>AkkusativDativWidget</class>
+   <extends>QWidget</extends>
+   <header>AkkusativDativWidget.h</header>
+   <container>1</container>
+  </customwidget>
  </customwidgets>
  <resources>
   <include location="mainwindow.qrc"/>