Eating sweets __________ (is/ are ) tough.
Contesting elections ______ ( is / are ) tough .
[ Which one is the subject Eating/ Contesting or sweets / elections ?]
According to Cambridge Grammar of English [ by Carter or Mccarthy ] Gerund : A word derived from a verb which ends in ing is used as a noun. Smoking is hazardous to health.
Eating sweets is tough.
Contesting elections is tough.
But the nouns are in plural form ???????????