Student or Learner
please explain when to use did you/have you
Remember - if you don't use correct capitalisation, punctuation and spacing, anything you write will be incorrect.
Your appreciation is welcome, karthikeya, but there is no need to write a new post to say thank you. Simply click the Like button on any posts you find helpful. It means that we don't have to open the thread again to read your new post and then find that it doesn't include any new information or an additional question.