An "infinitive" in English is a verb preceded by the word to, as in to study. Many English verbs can be followed by a grammatical structure that contains an infinitive and is known as an "infinitive ...

Teresa Lee from Taiwan writes: Would you please give me some more examples of the formulation noun + to-infinitive, such as permission to enter in the sentence: We were refused permission to enter the ...

It is really a matter of learning which verbs take 'to-infinitive' clauses and which take an '-ing' clause, Claudia. After some verbs, e.g. 'tell', 'advise', 'ask', 'to-infinitive' follows the object: ...