normal speed and natural and stylish american accent
PRESENT TENSE
he goes to school
he doesn't go to school
does he go to school?
doesn't he go to school?
PAST TENSE
he went to school
did he go to school?
he didn't went to school
didn't he go to school
FUTURE TENSE
he'll go to school
he'll not go to school
will he go to school?
will'nt he go to school?
I think your title should be "normal conversation".
"conservation" is a different word .
Also, the last sentence should be:
Won't he go to school?
which means the same as :
Will he not go to school?
I hope this helps :)