[color=red]a. You must make a lot of money to buy such jewels for your wife.
b. You have to make a lot of money to buy such jewels for your wife.
c. You should make a lot of money to buy such jewels for your wife.
Which of the sentences a-c correspond to which of the sentences 1-3?
If you want to buy such jewels for your wife. you have to make a lot of money.
I can tell that you make a lot of money, because you buy such jewels for your wife.
You ought to make a lot of money and buy such jewels for your wife.
(The word ‘such’ in your sentences would require a complement with ‘as’ for clarity of the status of the jewels you are talking about. Alternatively you can use ‘these’ in place of ‘such’.)