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: ...

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 ...

Though gerunds and present participles share the same -ing form, their grammatical roles differ: gerunds act as nouns, while participles act as verbs or adjectives. For example, 'Reading helps me ...

I popped into the supermarket for some apples on the way home. (Not: I popped into the supermarket for buying some apples…) I stopped by at his office for a chat about our marketing strategy. (Not: I ...