Deal 7	♠   ♥   ♦   ♣		WEST   NORTH   EAST   SOUTH 1♥ pass 2NT pass  BID      The bidding has gone as shown. It is your bid.
	♠ 7 3 ♥ K Q 9 7 2 ♦ A K J 9 8 ♣ 5

 

Deal 7	♠   ♥   ♦   ♣		WEST   NORTH   EAST   SOUTH 1♥ pass 2NT pass 4♦ pass 4♥ pass  BID    The bidding has gone as shown. It is your bid. Although you could show your singleton ♣ now it is usually more informative to show a second 5-card suit. So you say 4♦. Partner bids 4♥. What do you say?
	♠ 7 3 ♥ K Q 9 7 2 ♦ A K J 9 8 ♣ 5

 

Deal 7	♠ Q J ♥ A J 10 6 ♦ Q 5 2 ♣ K J 7 3		WEST   NORTH   EAST   SOUTH 1♥ pass 2NT pass 4♦ pass 4♥ pass pass pass The bidding has gone as shown. It is your bid. Although you could show your singleton ♣ now it is usually more informative to show a second 5-card suit. So you say 4♦. Partner bids 4♥. What do you say? Partner signed off, showing a minimum, so you have nothing further to say.  Deal 8
	♠ 7 3 ♥ K Q 9 7 2 ♦ A K J 9 8 ♣ 5