Grammar for Everyone - Barbara Dykes 2007
Adverbial clause of condition
Introduction
Part II The parts of speech
Discuss the meaning of the word ’condition’. This clause tells us something that may happen under certain conditions. Note also the use of the subjunctive mood.
Finite verbs: would need, were bitten
Main clause: you would need to go to hospital
Conjunction: if
Subordinate clause: you were bitten by a venomous spider
Adverbial clause of condition, modifying the verb ’would need’ in the main clause
Complex sentence