Birthday party
Slumber party
100

What time is the party?

pa-ti wa nanji desuka?

100

Let's buy chips.

chipusu wo kaimashou.

200

What day is the party? 

pa-ti wa nan youbi desuka?
200

Should we buy juice?

ju-su wo kaimashouka?

300

Let's have a party!

pa-ti wo shimashou!

300

I think lemonade is good.

remone-do ga ii desu.

400

Let's invite Maddy! 

Madi wo shoutai shimashou!

400

How many people should we invite? 

nan nin wo shoutai shimashouka?

500

ongaku wo hitsuyo desuka?

Do we need music?

500

How many bottles of drink do we need? 

douna gurai nomimono no botoru ga hitsuyo desuka?