In other words, we usego + ing to talk about activities that we do for fun. You’ll notice that many of these activities areoutdoor sports or activities that can be pretty physical, although we can also use go + ing with someindoor activities, as well asactivities that involve collecting...
gerunds and gerund phrases can function assubjects, objects, or complements in a sentence. Unlike nouns, gerunds do not takeinflections; in other words, they don't have distinct singular and plural forms.