[Grammar] Please correct the grammar

[eoenoc]

Hi Sir,
I would like to ask your permission please allow me to go on half day today. I will take my son to the doctor because he’s not feeling well. He suffered from cough again.

 

[teechar]

[STRIKE]Hi Sir,[/STRIKE] Dear Mr Tanner,

You should know the name of your own boss.

I would like to ask your permission please [STRIKE]allow me to go on[/STRIKE] to take a half day off today. I [STRIKE]will[/STRIKE] must take my son to the doctor because he’s not feeling well at all. He [STRIKE]suffered[/STRIKE] has come down with a heavy cough again.

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