Please use a lot instead of alot.
Example ; I have a lot of ....................
2. Anywhere NOT anywheres
3. Could have or Should have NOT could of or Should of
4. Himself NOT hisself( a dialect which used by some people)
5. The superlative form of further is furthest NOT Futherest
6. Regardless NOT irregardless
7. Its is a possessive noun like his or her.
It's is a contraction form of it is
8. Let's us mean = Let us us.
Use Let ........ Let us pray , She lets him go.....