ex : don't know / What's your name? : I don't know what your name is.

don't remember / What did you order? .

I'd like to know / do you want an aperitif : .

can't remember / Is it a goat's milk cheese or a ewe's milk cheese? .

don't know / Have the Smiths arrived? .

Don't know / What is the cook doing? .

don't remember / Where does John work?

can't tell you / Is it a hot or a cold starter? .

I'm sure / Are the potatoes boiled? .

don't understand/ what did you say? .

don't think / Is it a difficult exercise? .