[1] Impossible negative 1-1-1M -2NT = 8+ HCP, 4414 with single in M 1-1-1M-jump shift = sgl in that suit 8+HCP [2] Auction after 2 opening 2-2-2NT-3ASKS STOPPERS 3= +, 3 = +, 3NT = + 2-2-3-3ASKS STOPPERS 3= , 3=, 3NT = [3] In 1 auction, Control asking only after trump ask, Bid suit to ASK, step 1 = no control, 2 = 3rd round control 3 = 2nd round control, 4 = 1st round control 5 = AK or AQ [4] 1 - 2 asks STOPPERS, 2 = , 2 = , 2NT = both + 1 - 2 asks stoppers same responses [5] 1 - 1/1/1/2 - 1NT = 16-18 2NT = 19-20