careless;  stupid;  thoughtless;  heedless;  unobservant;  inadvertent
 time;  hour;  occasion;  case;  chance;  opportunity
 to be able (in a position) to do;  to be up to the task;  to be ready;  to be completed;  to be made;  to be built;  to be good at
 hole;  opening;  pit;  hollow;  burrow;  den;  deficit
 perhaps;  probably;  generous;  many;  much
 now that you mention it;  come to think of it;  that reminds me;  on that subject;  speaking of which
 today;  this day;  these days;  recently;  nowadays
 all;  entire;  whole;  altogether
 as expected;  sure enough;  after all (is said and done);  in the end;  too;  also
 to be in time (for);  to serve (suit, meet) the purpose;  to be good enough;  to be enough
 don't;  do;  hey;  listen;  now, ...;  well, ...
 aeroplane;  airplane;  aircraft
 fall;  crash (e.g. aircraft)
 after all;  because;  but;  even;  too;  as well
 boy;  son;  baby boy;  young man
 if;  when;  and;  with;  used for quoting (thoughts, speech, etc.);  promoted pawn;  indicates a question
 girl;  daughter;  baby girl;  young woman
 one by one;  one at a time;  in turn
 to be saved;  to be rescued;  to escape harm;  to be spared damage;  to be helped;  to be saved trouble
 -like;  sort of;  similar to;  resembling
 lie;  fib;  mistake;  error;  unwise move;  bad decision
 person;  someone;  human beings;  mankind;  human (Homo sapiens);  (other) people;  others
 to die;  to pass away;  to lose spirit;  to lose vigor;  to cease;  to stop
 in front (of);  before (e.g. a building);  before;  earlier;  (the) front;  frontal part;  forward
 one person;  being alone;  being by oneself;  being single;  being unmarried;  by oneself
 to leave;  to exit;  to leave (on a journey);  to depart;  to move forward;  to come to;  to get to
 is not;  am not;  are not;  isn't it?
 is that so? (generally rhetorical)
 so;  therefore;  accordingly;  like I said;  I told you already
 so;  like this;  in this way
 somehow;  how;  in what way;  why;  what kind of
 thing;  matter;  incident;  occurrence;  circumstances;  situation;  work
 everyone;  anyone;  no one;  nobody
 it seems;  I think;  I guess;  right?;  don't you agree?
 why?;  what for?;  how?;  by what means?
 hello (e.g. on phone);  excuse me! (when calling out to someone)
 suffix for familiar person
 good;  excellent;  sufficient;  enough;  profitable (deal, business offer, etc.);  beneficial
 now;  soon;  already;  yet;  further;  more
 that's the way it is;  yes;  is that so?;  is it?