"Je vais prendre une douche"
'the shower room' in french is 'la salle de douche'
www. translator.com
In Tongan, you would say "Oka au ki he fakamā." This translates directly to "I am going to shower." The phrase captures the intent of going for a shower in the Tongan language.
You say to them hey take a shower with me :p
douche d'avril
douche ; "se doucher" = "prendre une douche" = have a shower
Je prends une douche
il prend une douche
The easiest way to remember conjugations in French is to say them out loud when you are in the shower, washing dishes, or going about your daily activities. Writing them down helps to remember them, also.
The word for shower is Ang Ahp Nahm. To take a shower is to By Ahp Nahm.
Most native English speakers say "take a shower" instead of "have a shower." There are circumstances where you can use either, but "take" is probably the safer choice if you're not sure. If you're referring to a shower that's already happened, it doesn't matter so much; "had a shower" and "took a shower" are both fine.
Ca man ca vas - That's how you say (How is it going) in french.