I got to know Mr. Robert a few years ago, while I was studying in a computer-related class, in which he was my tutor.Whilesubject + verb, (comma)subject + verb.Subject + verb,(comma)whilesubject + verb.
His excellent performances on several occasions such as team work and English skills took me by great surprise.And
is used as a connector with balance grammar which is used.
eg; I am reading and writing. | I work and study.
Secondly, never had I met a young tutor speaking English so fluently and accurately.
I have never met a young speaking english tutor which has good fluency and accuracy.