chapter 20

chapter 20

1. conditional sentences

   • modals
     • may, might, can, could
     • imperative
       • order or instruction
     • simple present
       • natural laws
         • universal truths
     • were
       • instead of 'was'
         • second conditional
     • unless/ provided that
       • used instead of if
     • if
       • third conditional

2. climate change

   • consequences
     • overloading our atmosphere with carbon dioxide
       • desflorestation
         • intensify effects
           • dangerously hot weather

3. tourism

   • case in many areas
     • travel agencies
       • transportation
         • ecotourism
           • analyzing the environmental and cultural impacts
             • organize events
               • siness tourism