diff --git a/src/test/java/de/ids_mannheim/korap/query/TestKorapQueryJSON.java b/src/test/java/de/ids_mannheim/korap/query/TestKorapQueryJSON.java
index 9917184..43f9fb1 100644
--- a/src/test/java/de/ids_mannheim/korap/query/TestKorapQueryJSON.java
+++ b/src/test/java/de/ids_mannheim/korap/query/TestKorapQueryJSON.java
@@ -90,15 +90,62 @@
 	assertEquals(sqwi.toQuery().toString(), "");
     };
 
-    /*
     @Test
     public void queryJSONBsp9 () {
 	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp9.json").getFile());
 
 	// [base=Katze&orth=Katzen]
+	assertEquals(sqwi.toQuery().toString(), "spanNear([tokens:base:Katze, tokens:orth:Katzen], -1, false)");
+    };
+
+    @Test
+    public void queryJSONBsp10 () {
+	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp10.json").getFile());
+
+	// [base=Katze][orth=und][orth=Hunde]
+	assertEquals(sqwi.toQuery().toString(), "spanNext(spanNext(tokens:base:Katze, tokens:orth:und), tokens:orth:Hunde)");
+    };
+
+    @Ignore
+    public void queryJSONBsp11 () {
+	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp11.json").getFile());
+
+	// [!(base=Katze&orth=Katzen)]
 	assertEquals(sqwi.toQuery().toString(), "");
     };
-    */
+
+    @Test
+    public void queryJSONBsp12 () {
+	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp12.json").getFile());
+
+	// contains(<np>,[base=Mann])
+	assertEquals(sqwi.toQuery().toString(), "spanWithin(<tokens:np />, tokens:base:Mann)");
+    };
+
+    @Ignore
+    public void queryJSONBsp13 () {
+	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp13.json").getFile());
+
+	// startswith(<np>,[!pos=Det])
+	assertEquals(sqwi.toQuery().toString(), "");
+    };
+
+    @Test
+    public void queryJSONBsp13b () {
+	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp13b.json").getFile());
+
+	// startswith(<np>,[!pos=Det])
+	assertEquals(sqwi.toQuery().toString(), "spanWithin(<tokens:np />, tokens:pos:Det, 1)");
+    };
+
+    @Ignore
+    public void queryJSONBsp14 () {
+	SpanQueryWrapperInterface sqwi = jsonQuery(getClass().getResource("/queries/bsp14.json").getFile());
+
+	// 'vers{2,3}uch'
+	assertEquals(sqwi.toQuery().toString(), "");
+    };
+
 
     public static String getString (String path) {
 	StringBuilder contentBuilder = new StringBuilder();
@@ -128,4 +175,4 @@
 	};
 	return sqwi;
     };
-};
\ No newline at end of file
+};
diff --git a/src/test/resources/queries/bsp13b.json b/src/test/resources/queries/bsp13b.json
new file mode 100644
index 0000000..562c80c
--- /dev/null
+++ b/src/test/resources/queries/bsp13b.json
@@ -0,0 +1,40 @@
+{
+    "@context": {
+        "@language": "de", 
+        "class": {
+            "@id": "korap:class", 
+            "@type": "xsd:integer"
+        }, 
+        "filter": "korap:filter", 
+        "korap": "http://korap.ids-mannheim.de/ns/query", 
+        "meta": "korap:meta", 
+        "operands": {
+            "@container": "@list", 
+            "@id": "korap:operands"
+        }, 
+        "query": "korap:query", 
+        "relation": {
+            "@id": "korap:relation", 
+            "@type": "korap:relation#types"
+        }
+    }, 
+    "query": {
+        "@type": "korap:group", 
+        "operands": [
+            {
+                "@type": "korap:element", 
+                "@value": "np"
+            }, 
+            {
+                "@type": "korap:token", 
+                "@value": {
+                    "@type": "korap:term", 
+                    "@value": "pos:Det", 
+                    "relation": "="
+                }
+            }
+        ], 
+        "position": "startswith", 
+        "relation": "position"
+    }
+}
diff --git a/src/test/resources/queries/readme.txt b/src/test/resources/queries/readme.txt
index 36745ce..60a54f7 100644
--- a/src/test/resources/queries/readme.txt
+++ b/src/test/resources/queries/readme.txt
@@ -11,7 +11,8 @@
 bsp11.json:	[!(base=Katze&orth=Katzen)]
 bsp12.json:	contains(<np>,[base=Mann])
 bsp13.json:	startswith(<np>,[!pos=Det])
+bsp13b.json:	startswith(<np>,[pos=Det])
 bsp14.json:	'vers{2,3}uch'
 bsp15.json:	[orth='vers.*ch']
 bsp16.json: [(base=bar|base=foo)&orth=foobar]
-bsp17.json:	within(<np>,[base=Mann])
\ No newline at end of file
+bsp17.json:	within(<np>,[base=Mann])