Très apprécié.
You say it /and/ pronounce it as "apprécions"
it is much appreciated
J'ai apprécié
probably he did not appreciated it probably he did not appreciated it
it would be highly appreciated
how much is 'combien' in French. Depending on what you have after we say combien? or combien de... How much money? Combien d'argent?
I miss you much in French is "tu me manques beaucoup."
combien . . . ?
combien ? is the French translation for how much.
autant que
ce beaucoup
pas beaucoup