indicates sentence topic;  indicates contrast with another option (stated or unstated);  adds emphasis
 spare time;  free time;  time (e.g. time it takes to do something);  time off;  day off;  quitting (one's job);  firing someone
 splendid;  nice;  sufficient;  fine (in the sense of "I'm fine");  well enough;  OK
 to come (spatially or temporally);  to approach;  to come back;  to do ... and come back;  to come to be;  to become
 don't;  do;  hey;  listen;  now, ...;  well, ...
 as expected;  sure enough;  after all (is said and done);  in the end;  too;  also
 indicates sentence subject (occasionally object);  indicates possessive (esp. in literary expressions);  but;  however;  regardless of;  whether (or not)
 to be sufficient;  to be enough;  to be worth doing;  to be worthy of;  to do (the job);  to serve
 indicates a question;  or;  whether or not;  some- (e.g. something, someone);  hmm;  huh;  very
 science (inc. mathematics, medicine, etc.);  natural science;  science department (university);  science course;  science (as a school subject)
 again;  once more;  also;  too;  on the other hand;  while;  and
 in search of;  in order to look for
 to go;  to move (in a direction or towards a specific location);  to proceed;  to take place;  to pass through;  to come and go;  to walk
 definitely;  absolutely;  absolute;  unconditional;  absoluteness
 disagreeable;  detestable;  unpleasant;  reluctant
 why?;  what for?;  how?;  by what means?
 that sort of;  that kind of;  like that;  such;  so
 place;  spot;  address;  district;  area;  one's house;  point
 here;  this place;  this point;  here;  these past ... (e.g. three years);  these last ...
 if;  in case;  as for;  on the topic of;  if that's the case;  if so
 genuine article;  real thing;  real deal
 to meet;  to encounter;  to see;  to have an accident;  to have a bad experience
 to hear;  to listen (e.g. to music);  to ask;  to enquire;  to hear about;  to hear of;  to follow (advice, order, etc.)
 yes;  that is correct;  understood;  I see;  present;  here;  pardon?
 that is so;  that is right;  it looks to me;  people say that;  it is said that;  I hear that
 mystery;  curiosity;  strangeness;  ghost;  monster;  apparition
 research division;  inquiry section
 in that way;  thus;  so;  so?
 that's the way it is;  yes;  is that so?;  is it?
 please;  kindly;  by all means;  certainly;  here you are;  to give
 dark;  gloomy;  depressed;  dispirited;  dark (in colour);  dull;  ill-boding
 that being the case;  because of ...;  the reason is ...;  given that ...
 to be careful;  to pay attention;  to take care
 please (give me);  please (do for me)
 by no means;  never!;  something unexpected;  emergency; (arch.)  currently; (arch.)  for the time being
 he;  she;  that person; (arch.)  you
 too;  also;  both A and B;  A as well as B;  even;  as much as
 thing;  matter;  incident;  occurrence;  circumstances;  situation;  work
 but;  however;  even;  however;  no matter how;  ... or something;  either ... or ...
 seems;  I think;  I guess;  don't you agree?;  I thought you'd say that!