WHEN OR IF/

He will be a traveller WHEN he grows up

What will you be WHEN you are 20?

IF they have a holiday, they will go for a walk along the beach

I'll read Maori legends WHEN I want to know more about their culture

IF she goes to New Zealand, she will learn the Maori language

ЕСЛИ НЕПРАВИЛЬНО - ИСПРАВЬТЕ ПОЖАЛУЙСТА!