hi so i wanted to know what conjugation (present) do we use for Le,Les. For example for Je we end the word with a s. Finir turns into Finis when Je is infront of it.

Answer 1

Use the third person.

http://french.about.com/od/verb_conjugations/a/finir.htm

Answer 2

3rd person singular for LE
exemple: le garcon finit
3rd person plural for LES
exemple: les garcons finissent