Mr P wrote: The distinction is between functions, not forms.
You want to write a sentence that expresses doubt, for example, or contingency. You decide to use the subjunctive mood. You look up the subjunctive, and find the correct form. As it happens, that form is sometimes the same as the indicative. No matter. All you want is the correct form. You don't care if it looks like something else – though that makes it easier to learn, of course.
Cf. the present subjunctive in Italian, or Spanish: the forms are the same for the 1st and 3rd person singular.
Cf. French, where the 3rd person plural forms of the present indicative and present subjunctive are the same. That doesn't mean French doesn't have a 3rd person plural present subjunctive. |
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Thank you for proving my point, Mr P, that equals in some situations in English. Yes, the indicative form CAN state the same thing as the subjunctive form. In fact, the subjunctive MOOD is expressed in most of English by forms that aren't GRAMMATICALLY subjunctive, for example,
If I went to Picadilly, I could ...
The deciding factor, as we can clearly see, is the presence of the past tense FORM, .
That's why it's allowable in modern English to use , [a past tense FORM] to state a counterfactual that means the same thing as does.