How to talk about help and helping in Finnish

First some useful vocabulary, then examples: 

• Auttaa - to help
• Apu - help (a noun)
• Avulias - (a) helpful (person)
• Hyödyllinen - useful (from the noun hyöty)  

Auttaa, autan, autoin, auttanut

• Minä autan sinua. - I'll help you.
• Miksi sinä et auttanut omaa veljeäsi? - Why didn't you help your own brother?
• Anteeksi, mutta voisitko auttaa vähän? - Excuse me, but could you help a little?
• Kiitos kun autoit meitä. - Thanks for helping us.
• Auttakaa! - Hey people, help!

Apu

• Apua!! - (Give me some) help!!
• Tarvitsetko apua? - Do you need help?
• Kiitos avusta tosi paljon. - Thanks a lot for the help.
• Tästä oli paljon apua. - This was really helpful. (Literally: From this was a lot of help.)
• Toivottavasti tästä oli apua. - I hope this was helpful.

Avulias / Hyödyllinen

• Tämä on hyödyllinen harjoitus. - This is a useful exercise. 
• Hän on aina niin avulias! - He / she is always so helpful!

About the author of Random Finnish Lesson: 

My name is Hanna Männikkölahti. I am a professional Finnish teacher who gives private online lessons and simplifies books into easy Finnish. Follow this blog, if you want to be the first one to know when I post something new.  If you want to subscribe to my newsletter, you can do it here.