Michael Swan says that "be going to + Infinitive" structure often emphasises the idea of intention. However, there is no connotation of intention in the sentence, "The man is …
"I am going to" is, as we know, the near future tense. By default, it speaks with a bit more confidence, but only because it is the near future. "I will" is just as confident but this …
Other times though, the choice can reflect different timescales. "I am driving to London" could mean you are literally in the car on your way to London, or it could refer to a future …
the version with am may be judged by many native speakers to be "correct", especially in spoken English, chiefly because of the proximity or closeness of I with am, as …
Be about [to VP] is a semi-modal expression, like be going [to VP] or be able [to VP]. It signifies that VP is expected to happen in the very near future, and that the discourse …
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