Grammer:
  As nouns or pronouns – Function of  THE INFINITIVE
 1)S + V + to V
    What with one thing and another, I forgot to meet my girlfriend.
    Remember to go over your exercise for spelling errors before you hand it in.
    We aim to pursue our ultimate goal.
    This is exhausting work, but I manage to keep going somehow.
    Verb list:
      want, would like, would love, hope, like*, love*, hate*, begin*, start*, continue*, cease*, need*, forget**, remember**, reget**, try**, seek, aim, attempt, manage, learn, agree, promise, refuse, decline, intend*, mean, plan, decide, resolve, afford, fail, hesitate, pretend, threaten, brother, happen, appear, seem
      *: can use both of the infinitive and gerund
      **: can use both, but the meaning is different
  2)S is + to V
      A doctor’s duty is to unconditionally save lives.
  3)To V is
      To save money now is impossible.
  4)It is … to V
      If the symptom persists, it is important to go to your doctor.
  5)S V it … to V
      But he may find it hard to raise wages by much without more radical reform.

Phrasal verb and words:
  what with A and B:  What with fatigue and lack of sleep, he have fall ill at last.
  the chances are that…(= It is likely that…): Take a hot shower and the chances are that the bathroom mirror will mist up.
  whether or not/whether or not…: Write an essay on whether or not the death penalty should be abolished.
  go over sth.(not go sth. over)
  hand in
  at the expense of…
  overwhelming  odds
  trivial: trivial offense

Oral:
  1. I met him by coincidence.
       We met concidently.
       It is drizzling.(light drizzle or heavy drizzle)
  2. I assume you had your lunch
  3. a chemist’s shop(BrE), a pharmacy(SiE), a drugstore(AmE)
       There is a pharmacist in these shops.
       opium, marijuana, heroin, Morphine is a pain killer.
  4. You can buy many drugs or medicine over the counter.
       You don’t need a doctor’s prescription(antibiotics and sleep pills). For example: Panadol & cough mixture
       Panadol is a mild painkiller.
       health supplements – VitaminA
       toiletries: soap shampoo, creams, lotions, ointments(tiger), alm, toothbruth, tooth pastes, cosmetic products
       helth related equipment: thermemeter, wheelchain, hot water bottles, walking stick, razor blades
  5. poor manners, subsidized