Don't wear what do not suit you We use does and is with third person singular pronouns (he, she, it) and with singular noun forms. We use do and are with other personal pronouns (you, we they) and with plural noun forms.
Sach kahun to mujhe na koi mahaul mila nahi maine kabhi koi English speaking course kiya iske bawjood maine apni English ko na kewal sudhara bulki lakhon longon ki English ko bhi sudhar raha hun. Plz translate it and explain