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.
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?
T: Do I still live here now?
T: Good, so, I have lived in Moscow since 1998
Ss: (Repeat sentence).
T: (writes sentence on board) How do I form this sentence?
T: (writes on board) subject + have/has + 3rd form + since + date/time