提案

①Why don't you invite your friends over? (over:adv こちらへ、家に)
●Why don't you go and see your grandmother? = Why not going and seeing your grandmother?
(go and see:：1語の動詞として考えればよい　会いに行く)


②to do something for a short while to discover if it is suitable
●Try eating set meal with tonkatsu "deep-fried pork cutlets".

●Try eating tempura "deep-fried vegetables with soba".

●I can't get rid of the mold in my bathroom. Try scrubbing it with bleach. I'll do that.