when meaning

when as an adverb

1. at what time
   • when does the film start?

when as a conjunction

1. at or during the time that
   • call me when you get home

when in a sentence

• The day is sure to come when your dream will come true.
• When you put it so strongly, I can't say I don't agree.
• When she saw that they had no schools, she started one.
• My mother happened to be there when the fire broke out.
• When summer is over, the days grow shorter and shorter.

How to pronounce when

when is pronounced /wɛn/ in British English and /wɛn/ in American English. It has 1 syllable.