diff --git a/spacy/lang/el/syntax_iterators.py b/spacy/lang/el/syntax_iterators.py
index f02619ac9..5d6398aad 100644
--- a/spacy/lang/el/syntax_iterators.py
+++ b/spacy/lang/el/syntax_iterators.py
@@ -31,16 +31,15 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(w.i in seen for w in word.subtree):
-                continue
             flag = False
             if word.pos == NOUN:
                 #  check for patterns such as γραμμή παραγωγής
                 for potential_nmod in word.rights:
                     if potential_nmod.dep == nmod:
-                        seen.update(
-                            j for j in range(word.left_edge.i, potential_nmod.i + 1)
-                        )
+                        w_range = range(word.left_edge.i, potential_nmod.i + 1)
+                        if any(j in seen for j in w_range):
+                            continue
+                        seen.update(j for j in w_range)
                         yield word.left_edge.i, potential_nmod.i + 1, np_label
                         flag = True
                         break
@@ -54,9 +53,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(w.i in seen for w in word.subtree):
+                w_range = range(word.left_edge.i, word.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.i + 1, np_label
 
 
diff --git a/spacy/lang/en/syntax_iterators.py b/spacy/lang/en/syntax_iterators.py
index 22f7fcf81..0d43ebf37 100644
--- a/spacy/lang/en/syntax_iterators.py
+++ b/spacy/lang/en/syntax_iterators.py
@@ -36,9 +36,10 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(j in seen for j in range(word.left_edge.i, word.i + 1)):
+            w_range = range(word.left_edge.i, word.i + 1)
+            if any(j in seen for j in w_range):
                 continue
-            seen.update(j for j in range(word.left_edge.i, word.i + 1))
+            seen.update(j for j in w_range)
             yield word.left_edge.i, word.i + 1, np_label
         elif word.dep == conj:
             head = word.head
@@ -46,9 +47,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(j in seen for j in range(word.left_edge.i, word.i + 1)):
+                w_range = range(word.left_edge.i, word.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.i + 1, np_label
 
 
diff --git a/spacy/lang/fa/syntax_iterators.py b/spacy/lang/fa/syntax_iterators.py
index 5ff848124..0d43ebf37 100644
--- a/spacy/lang/fa/syntax_iterators.py
+++ b/spacy/lang/fa/syntax_iterators.py
@@ -36,9 +36,10 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(w.i in seen for w in word.subtree):
+            w_range = range(word.left_edge.i, word.i + 1)
+            if any(j in seen for j in w_range):
                 continue
-            seen.update(j for j in range(word.left_edge.i, word.i + 1))
+            seen.update(j for j in w_range)
             yield word.left_edge.i, word.i + 1, np_label
         elif word.dep == conj:
             head = word.head
@@ -46,9 +47,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(w.i in seen for w in word.subtree):
+                w_range = range(word.left_edge.i, word.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.i + 1, np_label
 
 
diff --git a/spacy/lang/fr/syntax_iterators.py b/spacy/lang/fr/syntax_iterators.py
index 9495dcf1e..91b338eb3 100644
--- a/spacy/lang/fr/syntax_iterators.py
+++ b/spacy/lang/fr/syntax_iterators.py
@@ -35,9 +35,10 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(w.i in seen for w in word.subtree):
+            w_range = range(word.left_edge.i, word.right_edge.i + 1)
+            if any(j in seen for j in w_range):
                 continue
-            seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+            seen.update(j for j in w_range)
             yield word.left_edge.i, word.right_edge.i + 1, np_label
         elif word.dep == conj:
             head = word.head
@@ -45,9 +46,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(w.i in seen for w in word.subtree):
+                w_range = range(word.left_edge.i, word.right_edge.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.right_edge.i + 1, np_label
 
 
diff --git a/spacy/lang/id/syntax_iterators.py b/spacy/lang/id/syntax_iterators.py
index 9495dcf1e..91b338eb3 100644
--- a/spacy/lang/id/syntax_iterators.py
+++ b/spacy/lang/id/syntax_iterators.py
@@ -35,9 +35,10 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(w.i in seen for w in word.subtree):
+            w_range = range(word.left_edge.i, word.right_edge.i + 1)
+            if any(j in seen for j in w_range):
                 continue
-            seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+            seen.update(j for j in w_range)
             yield word.left_edge.i, word.right_edge.i + 1, np_label
         elif word.dep == conj:
             head = word.head
@@ -45,9 +46,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(w.i in seen for w in word.subtree):
+                w_range = range(word.left_edge.i, word.right_edge.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.right_edge.i + 1, np_label
 
 
diff --git a/spacy/lang/nb/syntax_iterators.py b/spacy/lang/nb/syntax_iterators.py
index 9495dcf1e..91b338eb3 100644
--- a/spacy/lang/nb/syntax_iterators.py
+++ b/spacy/lang/nb/syntax_iterators.py
@@ -35,9 +35,10 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(w.i in seen for w in word.subtree):
+            w_range = range(word.left_edge.i, word.right_edge.i + 1)
+            if any(j in seen for j in w_range):
                 continue
-            seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+            seen.update(j for j in w_range)
             yield word.left_edge.i, word.right_edge.i + 1, np_label
         elif word.dep == conj:
             head = word.head
@@ -45,9 +46,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(w.i in seen for w in word.subtree):
+                w_range = range(word.left_edge.i, word.right_edge.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.right_edge.i + 1, np_label
 
 
diff --git a/spacy/lang/sv/syntax_iterators.py b/spacy/lang/sv/syntax_iterators.py
index 148884efe..31e3302e9 100644
--- a/spacy/lang/sv/syntax_iterators.py
+++ b/spacy/lang/sv/syntax_iterators.py
@@ -36,9 +36,10 @@ def noun_chunks(obj):
         if word.i in seen:
             continue
         if word.dep in np_deps:
-            if any(w.i in seen for w in word.subtree):
+            w_range = range(word.left_edge.i, word.right_edge.i + 1)
+            if any(j in seen for j in w_range):
                 continue
-            seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+            seen.update(j for j in w_range)
             yield word.left_edge.i, word.right_edge.i + 1, np_label
         elif word.dep == conj:
             head = word.head
@@ -46,9 +47,10 @@ def noun_chunks(obj):
                 head = head.head
             # If the head is an NP, and we're coordinated to it, we're an NP
             if head.dep in np_deps:
-                if any(w.i in seen for w in word.subtree):
+                w_range = range(word.left_edge.i, word.right_edge.i + 1)
+                if any(j in seen for j in w_range):
                     continue
-                seen.update(j for j in range(word.left_edge.i, word.right_edge.i + 1))
+                seen.update(j for j in w_range)
                 yield word.left_edge.i, word.right_edge.i + 1, np_label