wouldn't find a work to do.

we all know the two of them has had a shop where they run there their trade

for she knew I used to check on my friends before school

To date I still wonder till date how some mathematical formulae were made.

This is just a few... The structure of your sentences is actually quite.... odd.
Mainly because your sentences are made too long. Use fullstops instead of commas more, unless you're really really really describing something.