Be Going to Do の命令用法について

The structure be going to-infinitive (in informal style, be gonna bare-infinitive) is usually used to talk about future actions already planned or decided by the subject of the sentence. When the sentence containing be going to-infinitive has you as subject, as in “You’re not going to play football in my garden”, however, it is the intention of the speaker rather than the subject that is expressed. In other words, be going to-infinitive can be used as an imperative expression despite the fact that generally imperative sentences such as “Don’t play football in my garden” are used in giving a command.
Bearing this fact in mind, this paper discusses the imperative use of be going to-infinitive with a focus on two research topics. First, by employing previous studies and one of the largest corpora available in the world, WordbanksOnline, we shall consider the contextual expressions which contribute to be going to-infinitive being interpreted as an imperative expression. We shall also look at the context in which such be going to-infinitive is used. Second, we shall examine differences in use between imperative sentences and the imperative use of be going to-infinitive.