Deal 4 ♠  
 
 
♣  
 
 WEST  NORTH  EAST  SOUTH
1♠pass BID 
 
 

The bidding has gone as shown. It is your bid.
  ♠ K 9 4 3
7 2
K Q J 9 5
♣ K J
 

 
Deal 4 ♠  
 
 
♣  
 
 WEST  NORTH  EAST  SOUTH
1♠pass2NT
pass3NTpass BID 
 

The bidding has gone as shown. It is your bid.

With opening hand and 4-card ♠ support this is an ideal Jacoby 2NT response.
Partner says 3NT. What do you bid now?
  ♠ K 9 4 3
7 2
K Q J 9 5
♣ K J
 

 
Deal 4 ♠ A Q J 10 8
K 4
8 4
♣ A Q 8 3
 
 WEST  NORTH  EAST  SOUTH
1♠pass2NT
pass3NTpass4♠
passpasspass

The bidding has gone as shown. It is your bid.

With opening hand and 4-card ♠ support this is an ideal Jacoby 2NT response.
Partner says 3NT. What do you bid now?


North has some extra strength and a 5-card ♠ suit. This is the point in the bidding where you would make a control bid, showing an Ace. Well, you would if you actually had an Ace. The way you indicate your lack of a control is to just return the the agreed trump suit.
So you bid 4♠ and partner passes.


 Deal 5 
  ♠ K 9 4 3
7 2
K Q J 9 5
♣ K J