Answer:
- Racing
- Collecting coins
- digging in the garden
- hooking the cars together
- Exercising
Step-by-step explanation:
Gerunds are nouns that derive from verbs by adding -ing. Therefore, gerund and gerund phrases always function as a noun, so they can also act like the subject, object and object complement in a sentence. Besides, gerund phrases begin with a gerund and include modifiers and objects.