infinitival clause.    From Wordnet, Princeton University. 

Zero-marking appears in some other places in English: the plural of sheep is sheep, and the conjugated verb eat in I eat fish is indistinguishable from the uninflected infinitival form in I want to eat fish.    From Wordnik.com.  [2009 October « Motivated Grammar] Reference

But it cannot succeed at all in explain - ing the internal constituency of the verb or noun phrase in general, nor the constituency of the simple sentence, nor the interconnection of sentences and clauses, or infinitival or participial clause-like construction.    From Wordnik.com.  [STUDY OF LANGUAGE] Reference

For, let me just explain to new readers specialists on the English language are well aware of it, putting an adverb between to and its following verb in an infinitival clause is perfectly grammatical; it always has been throughout the history of English; and even quite conservative usage books agree on this.    From Wordnik.com.  [To Go Boldly (Dammit) | ATTACKERMAN] Reference

The case studies investigated include the alternation between synthetic and analytic comparatives, between the s-genitive and the of-genitive, between gerundial and infinitival complementation, particle placement, and future marker choice in a number of corpora sampling different spoken registers and geographical varieties of English.    From Wordnik.com.  [AvaxHome RSS:] Reference

To show you what I mean, remove ‘only’: it’s just “one of the internet providers to donate to charity” which is really fine English despite the slightly clumsy infinitival clause.    From Wordnik.com.  [One of the only | Linguism] Reference

Further to that, you surely don’t deny the grammaticality of “the only internet service providers to donate all their profits to charity”, as far as noun phrases with infinitival clauses go.    From Wordnik.com.  [More on ‘one of the only’ | Linguism] Reference

The temporal being is the state of affairs designated by infinitival expressions like ˜being a man™ (˜hominem esse™) or ˜being white™ (˜esse album™) ” that is, the object of the act of judging.    From Wordnik.com.  [Paul of Venice] Reference