... (smoking, drinking, cooking , …) - noun = V + tion (invention, action, extinction, creation, prevention, pollution, explanation, production, attention, …) - noun = V + er/ or (inventor, visitor, ... Theory: o Definition. o Some prepositions can be described on the diagram, the rest have to be learnt by heart. D¬ng Th¶o– Song Cong Upper-secondary School above, over at the top on Saturday, July ... 20 th : Pronouns I. Theory: o Definition: Pronouns are words that can be used in place of nouns or noun phrases. o Kinds of pronouns: • Personal pronouns (§¹i tõ nh©n xng): - Subject pronouns:...