Podsumowanie

Czasowniki modalne, które pozostają niezmienione przy zastosowaniu mowy zależnej to might, should, ought to, would, could, had better.

Jim said he might buy his wife a car for her birthday.
I might buy my wife a car for her birthday.

I told Jim he should buy a less expensive gift.
You should buy a less expensive gift.

Ryan told Jim he ought to take his wife on a trip instead.
You ought to take your wife on a trip instead.

Jim's wife said she would like to go to a nice restaurant for dinner.
I would like to go to a nice restaurant for dinner.

She also told Jim he could surprise her with tickets to a concert or theatre performance.
You could surprise me with tickets to a concert or theatre performance.

I told Jim that he had better decide soon because his wife's birthday was one week away.
You had better decide soon because your wife's birthday is one week away.

Czasowniki modalne, które zmieniają się przy zastosowaniu mowy zależnej to can, may, have/has to, be supposed to.

can -> could

Erin said, 'I can help you choose a gift for Rob.'
Erin said she could help me choose a gift for Rob.

may -> could, might

'You may not go to the party,' my mother said. 'There may be drinking there, and you are too young for alcohol.'
My mother told me that I couldn't go to the party. Shed said there might be drinking there, and I was too young for alcohol.

must -> had to

'I must find a gift for Rob soon.' i told Erin.
I told Erin that I had to find a gift for Rob soon.

have/has to -> had to
'I have to buy wrapping paper and birthday card,' I told Erin.
I told Erin that I had to buy wrapping paper and birthday card.

be supposed to -> was/were supposed to

'Rob isn't supposed to know about the party!' I said.
I told Erin that Rob wasn't supposed to know about the party.