Grammar:

-ing or to infinitive?

• British Council site: as usual, on this page you can find lots of material: a cute video to introduce the topic, very clear explanation and, if you scroll all the way down and click on the blue bars, lots of interactive exercises
• Cambridge Dictionary: more on the same subject 
• Practice 1
• Practice 2 
• Practice 3 
• Key word transformation like in the exam 

Vocabulary:

Sports