do-support

English

Noun

Examples
I know. → Do I know? She laughs. → She does not laugh.

do-support (uncountable)

1. (linguistics) The use of the auxiliary verb "do" in negative or interrogative English sentences that do not contain other auxiliaries.

   Synonym: do-insertion

   • 2018, Janina Madlener, The Phenomenon of “do-support”: Problems of German Learners of English in a Linguistic Perspective, GRIN Verlag, →ISBN, page 1:

     As we can see, ‘do-support’ is a frequently used construction in Modern English, that has no equal construction in German. We chose the topic of ‘do-support’ for our study since “[...]^[sic] do-support is one of the main stumbling blocks” […]