1.
Did Ron clean the bathroom?
No, he didn't, but Dan did.
He did? When?
He cleaned it last Saturday.
2.
Did Alicia mop the floor?
Yes, she did.
Oh, that's great. When did she do it?
Last Saturday.
3.
Did Ron mop the floor?
No, he didn't, but he took out the trash.
Oh, when did he take out the trash?
He took it out on Saturday.
4.
Mary, did you vacuum?
Yes, I did.
You did? When?
I vacuumed the floor last weekend.
5.
Oh Dear, Anna didn't do the ironing.
Yes, she did.
She did? When?
She did the ironing last Saturday.