Matching Pairs Wide Angle 5 Unit 10.1Online version Recognizing and understanding complex sentences with subordinate clauses. by Guadalupe Soto Reyes 1 Sufferers' lives become increasingly restricted 2 The mechanism behind phobias is a complex area 3 In children, monsters and the dark are common triggers, 4 Similarly, fear of spiders would have been useful in places 5 Sufferers are exposed to their particular trigger gradually and over a long period of time, 6 Sufferers believe that they couldn't suddenly collapse or die where there was a significant risk from dangerous species. unless they escape the situation. which leads to reduced anxienty. as they choose to stay at home rather than risks the consequences of going out. although these usually resolve before adulthood. that is not yet fully understood.