Sedaris

I was moved for you special lesson regarding of usage in, on, at.
So I could understand completely them.
Today, I have to say very special thank you because of your wonderful lesson for only me. See you!!

I am very grateful for the advice you have given me on things I should be careful of and point for improvement.
Thank you so much for very very productive lesson. See you!!

When I take your class, I always feel very happy because you are very kind and motivate me. So my English skill will be improving steadily. Thank you so much for productive lesson. See you!!