These are David Grove’s 12 basic Clean Language questions (‘X’ and ‘Y’ denote one or more of the client’s words/ non-verbals)
Developing Questions
Attributes
And is there anything else about X?
And what kind of X is that X?
Location
And where is X? / And whereabouts is X?
Metaphor
And that’s X like what?
Relationship
And is there a relationship between X and Y?
And when X, what happens to Y?
Sequence Questions
Before
And what happens just before X?
After
And then what happens/ And what happens next?
Source Question
And where does/could X come from?
Intention Questions
Desired Outcome
And what would X like to have happen?
Necessary Conditions
And what needs to happen for X?
And can X?