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English as a Lingua Franca 

A number of researchers have studied conversations in English as a Lingua Franca and have noted a number of somewhat surprising characteristics, including:

a)Non-use of third person present simple tense -s (She look very sad).

b)Interchangeable use of the relative pronouns who and which (a book who, a boy which).

c)Use of an all-purpose tag question such as “isn’t it” (They should arrive soon, isn’t it?).

d)Increasing of redundancy by adding “inexistent” prepositions {We have to study about…, The article treats of…).