Verb conjugation of "plonger" in French

This is just a quick confirmation that Hans George accepted to study with you on the English-German tandem option. Please be helpful to other users and keep your conversation public. Both parties need to agree on that.
I think I have told you that I won't charge you for this kind of help. I looked at the sentences and I found them a little too long. They were good, but I understand why it took you so long and I think the point is too keep the shorter.
Hi there again. I would love to visit you very much. I will keep that in mind for our next vacation... Your English is very good and I can't imaging that you have just learned it for two years.