I 
    cant see the black board. Could you move aside, please ?
          
         Do you mind if I open/ close the window ?
      Would 
    any one lend me a pencil ?
     I need a
.., would anyone lend me one ?
     I dont understand this exercise, could you help me, please ?
        Would 
    you mind playing the tape again, please ?
    Would 
    you mind switching the light on, please ?
I 
    dont feel well/ I feel sick/ I have a headache/ My stomach is aching.
Can 
    I  go to the sickroom ?
    May 
    I go to the toilet, please ? its urgent. I cant wait anylonger.
 Sorry 
    to be late    , I missed the bus / I overslept
    I 
    have an appointment at
.(time) with 
.
Could 
     you 
    let me go earlier, please ?