present simple:
posetive: base verb(+s) i work\ he works
negative: do\does not+verb base we dont work\she doesent work
question: do\does....+base verb do they work\ does it works?
we use present simple inthe following cases:
A) The sun always rises in the east.
(general truth or facts)

Michael likes to walk in the evening.
He often visits his friends.
(habits or customs)
C)The new programme begins next week.
(Future plans(with future time expression): often refers to timeables or programmes.
D) "Fontana kicks the ball! it's a goal!!"
(sporting events, story telling, jokes.)
Time expressions:
every day\week\etc
each year\week etc
once a week\day\etc
on tuesday\monday\etc
in the evening\morning\etc
regulary, daily, yearly, always, often, somtimes, seldom, usually, generally, occasionally, never
spelling rules
We usually add S to the thierd person(he, she. it) singular. We add ES:
A)For verbs ending in s,ss,sh,ch,x,and o:
mix=mixes wish=wishes watch= watches do=does

For verbs ending in conconant+Y. We also change the Y to I:
try=tries hurry=hurries.