"I did tell you about it." "When? I don't remember."
When's your birthday?
When did he leave?
When are you coming [to] my house? (Key English Test; A2; Japanese)
I found it when I was cleaning out the cupboards.
We'll go when you're ready.
She was only twenty when she had her first baby.
He was quite shocked when I told him.
I'll ring you when I arrive. (Key English Test; A2; Spanish)
He says he hasn't got any money when in fact he's got thousands of dollars in his account.
I don't understand how he can say that everything's fine when it's so obvious that it's not.
Why is she training to be a teacher when she doesn't even like children?
How can you say you don't like something when you've never even tried it!
In your advertisement it was said that I would find stars and artists from around the world, when, in fact, they were from only six countries. (First Certificate in English; B2; Spanish)
When it comes to baking cakes, she's an expert.
But when it comes to computers, they just impose some knowledge on students, without any interaction. (International English Language Testing System; C1; Chinese)