Here you will find links to resources such as grammar explanations, worksheets, and online practice related to the use of gerunds (verb + -ing) and infinitives (to + verb) in English.
The University of Victoria offers an explanation and exercises in its ELC Study Zone.
An extensive list of verbs followed by gerunds and/or infinitives can be found at The University of Toronto’s Writing Centre.
Englishpage.com has a series of exercises and instruction on their Gerunds and Infinitives Tutorial page.
EngVid.com features video instruction and practice for free.