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_____ several times, but he still doesn’t know how to do it properly.

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Whichever    Whatever    Whenever    However  
must    might    can’t    could  
should be blind drunk    may be blind drunk    must have been blind drunk    could have been blind drunk  
Whichever  Whatever   Whenever  However  
Telling    Having told    To be told    Having been told  
precious  scary  specific  stable  
discovered; found    found out; invented    discovered; invented   invented; discovered  
He had been told       Having been told    Although he had been told       Having told  
in all  in the end   at the end of  at once  
go on  come on  get up  give up  
that he's written    to have written    to be writing    to write  
get it    make it    arrive it    do it  
Whichever    Whatever    Whenever    However  
has read    had read    read    reads  

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