I would like more information about this type of construction. Good examples escape me at the moment, but it would be something along the lines of:

These conditions need to be satisfied for this plan to be successful.

I only know of it because I've seen it in newspapers/heard it on TV. But I would like to know more. Specifically, what type of construction it is, other infinitives of the same kind or family, when it can/should/shouldn't be used, etc.

Basically, a page of a grammar textbook that mentions this construction is what I would like to see.

  • 2
    Your example is of a purpose adjunct consisting of a to-infinitival that contains a subject. It's the presence of an overt subject in a to-infinitival that makes the subordinator "for" obligatory. Another example might be "The casserole should be cooked very slowly (in order) for the beef to become succulent", where "in order" is optional. – BillJ Dec 23 '18 at 15:20
  • Yes. For is part of the infinitive complementizer; it marks the subject like to marks the verb, but it's normally optional or disallowed, except when a subjectful infinitive begins a sentence, when it's required to indicate that the following clause is subordinate. One occasionally comes across a compound complementizer for to in local speech or old songs; it's generally a marker for a purpose infinitive. – John Lawler Dec 23 '18 at 18:47

Using “for” or other related words like “in order to” communicate cause and effect. And yes, news story writers are notorious for writing like this as opposed to writing cause and effect events in temporal order with the conjunction “and”.

Using BillJ’s example and simplifying cause and effect. The casserole should be cooked very slowly, and the beef becomes succulent.

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