making decisions

question : why do most of the people take them a long time to
                make up their mind about something ?
answers : i think that they lack science , knowledge ,experience
               and understanding
             : I assume that they try to get ( to know ) the facts first ,
               then they can make decisions .
             : I gather they are not accustomed to making decisions.
             : I conclude that decinding something needs to knows the
               other things which have connection with it, besindes
               the facts

the simple past tense

we went to surabaya
we didn t do it by myself.
did i do it by myself ?
didn t we go to surabaya ?
    yes , we did
    no , we didn t.

the simple present tense

he never tries it
he doesn t ever try it .
does he ever try it?
doesn t he ever try it ?
* YES , he does
   no , he doesn t

the children play marbles
the children don t play the marbles
do the children play marbles ?
don t the children play marbles ?
* YES , they do
    no , they don t .