Compare these two: Explain the acceptable English sentence relating to focal or tacit knowledge. 1. They went for Dinner. 2. They gone for dinner.

  • The distinction is that the second is not standard English. It might be accepted in AAE (which I don't speak)...is that what you're asking about? – The Photon Nov 25 '17 at 6:09
  • I am not from AAE either! anyway, this question is to explain how tacit knowledge is applied in the instance, we read these 2 sentences. – Malini Nov 25 '17 at 6:12
  • What two questions? Even interpreting the 2nd as AAE, I see two declarative sentences, not questions. – The Photon Nov 25 '17 at 6:14
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    Thanks, Nicholas; I guess your explanation is based on focal knowledge. Thank you.. – Malini Nov 25 '17 at 6:22
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    Thanks again for the examples; I just joined Stack Exchange & am grateful for Great supportive contributors like your good self Nicholas. God bless. – Malini Nov 25 '17 at 6:42

The past tense is usually used to describe a specific time in the past:

They went for dinner around 5 o'clock this evening.

The children went outside to play an hour ago.

The present perfect is used to describe something that has occurred in the past, but whose time is unknown or unimportant:

They have already gone for dinner.

The children have gone out to play (at some unknown / unimportant time) and won't be back till 3 o'clock this afternoon.

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