In the auction:

Opener Responder 1 1 2 ?

you can show game forcing or weak hands playing Lebensohl over Reverses

What is your reverse range?
If opener may have as little as 17 HCP, there may not be enough for game.
Responder may have only 6HCP

How does responder show a weak hand?
If Responder has less than 8, responder rebids 2N (basic Weak 2N Lebensohl principle).
Any other bid is at least constructive (8+ and game forcing).

Opener	Responder
1	1
2	2N

How does responder show a stronger hand?
If Responder has 8+, responder rebids anything EXCEPT 2N (game forcing).

Opener	Responder
1	1
2	2/3/3/3/etc.

How does opener show responder a minimum reverse?
If Opener has a minimum (17) and responder shows a weak hand by bidding 2N, Opener rebids 3 of the lower ranking suit. Responder then sets the contract.

Opener	Responder
1	1
2	2N
3	Pass/3/3/3

How does opener show responder a game forcing reverse?
If Opener has 19+ and responder shows a weak hand by bidding 2N, Opener rebids anything but 3 of the first suit. Responder must not pass.


Opener	Responder
1	1
2	2N
3/3/3/3N

Here are some reverse hands you and your partner might enjoy bidding.