Research into linguistic interference

4.2.3.  Grammatical Interference 
Grammatical interference occurs in cases in which the subject ignores the 
grammatical differences between the two languages or gets influenced by the 
English norms. This type of interference is often obvious at first sight because 
the elements translated literally from English deviate from the Czech 
grammatical system. Probably, one of the most frequent examples which 
occurred in the corpus was literal translation of personal and demonstrative 
pronouns. Some of these are included in the following table: