Responses to 2NT / 3NT openngs

Question 1

2NT
pass
???

Answer 1

similar to 1NT
3♣️ is Staman
3♦️ / 3♥️ is Jacoby transfer
4♣️ is Gerber
4NT is invitational to small slam
5 NT is invitational to grand slam

Question 2

2♣️
pass
2♦️
pass
2NT
pass
???

Answer 2

similar to 2NT responses
3♣️ is Stayman
3♦️ / 3♥️ is Jacoby transfer
4♣️ is Gerber
4NT is invitational to small slam
5NT is invitational to grand slam

Question 3

3NT
pass
???

Answer 3

similar to 2NT responses
4♣️ is Gerber
4♦️ / 4♥️ is Jacoby transfer

4NT is invitational to small slam
5NT is invitational to grand slam