This technique is also used in 'guided discovery' lessons where students are 'guided' to new knowledge or realisations by a series of questions leading from the unknown to the known in small stages.
Example:
To Elicit the use of “since” in a past action that is still happening today. (I have lived in Moscow since 1998)
ON BOARD DRAW THIS TIMELINE
1996 1998 2000 2002 now
________________________________________________________________
lived in England Move to Moscow Live in Moscow
T: When did I move to Moscow?
Ss: 1998.
T: Do I still live here now?
Ss: Yes.
T: Good, so, I have lived in Moscow since 1998
Ss: (Repeat sentence).
T: (writes sentence on board) How do I form this sentence?
Ss: -
T: (writes on board) subject + have/has + 3rd form + since + date/time