STAGE 3 ELEMENTARYSimple passive forms More extensive use of catenative verbs-like to, decide to, etc. Infinitives of purpose- Conditional forms Modal-could(ability)Modal-can(permission)-Abstract nouns Maximum of three adjectives verbs-+noun Two adjectives + adjectival phrase- Superlative forms of adjectives-Superlative form of adjectives+ adjectival clauses-Complex sentences main clause + one subordinate clause Adverbial clauses of time Relative clauses- Adverbial clauses of comparison Adverbial clauses of reason.The creature was about nine feet tall. Its head touched the ceiling of the room. Larry looked at its large, black eyes and long beak. It had a long beak like a bird, but it did not have wings. It had huge red claws on its hands and feet. 'Those claws have killed four of my friends', said a voice.