Ranked by: number of candidates
1.
Present Perfect (Perfekt) (74468 candidates)
2.
Present Perfect (Perfekt) (57519 candidates) 
3.
Aber / Sondern (50606 candidates) 
4.
Denn/weil/deshalb (50302 candidates)
5.
Questions (36475 candidates)
6.
Possessive adjectives (35752 candidates)
7.
Subordinate clauses: weil (33080 candidates)
8.
Accusative prepositions (26744 candidates) 
9.
Negative (nicht and kein) (23118 candidates) 
10.
Als or wenn (22833 candidates) 
11.
Subordinate clauses: ob / wenn (22517 candidates) 
12.
Simple past/Imperfekt: regular verbs (20913 candidates) 
13.
Wo, woher, wohin (19028 candidates) 
14.
My family (16878 candidates)
15.
Accusative,Dative (16043 candidates)
16.
Vocabulary - Christmas (14245 candidates)
17.
Colours and animals (12201 candidates)
18.
Prepositions + accusative (11916 candidates)
19.
Simple past/Imperfekt (11872 candidates) 
20.
Superlative Adjectives (11580 candidates)
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | Next >> |

