Infinitives in related languages such as Spanish can be expressed in three different ways in English, each with a different sense. This one-hour single-topic session reviews infinitives with and without "to" and infinitives v gerunds, corrects mis-learned or mis-applied "rules" and reviews the patterns behind most gerund uses.
To date, no-one has acheived 100% in this challenge; how well do you know gerund-use and will you be the first to get them all right?