Correct. I didn't had to wear a unifor when I was at school.

The local government ... a new shopping centre there - it was a site of historical importance.

I ... far to find the book I was looking for - they had it the shop around the corner.

John ... all of his money on shoes - now he can't afford to go out.

Correct. He didn't has to buy a ticket because he's a student.

Sentence transformation. I regret shouting at him this mornig. HAVE I ... at him this morning.

I needn't have tried so many dresses as I ended up buying the first one I tried. / I wasted my time trying on more dresses after I'd found the right one.

Well, that was a waste of money - I ... buying that new computer as my old one is working completely fine.

Correct. I should listened to my teacher this morning. I don't understand any of this.

Correct. He didn't need to use his phone while driving. It's against the law.

I wouldn't have bought a car from the dealer if I'd read the online reviews. / The dealer had bad reviews online but I didn't see them until after I'd bought the car.

Correct. I needn't have filled my car with petrol because it was already full.

Sentence transformation. There was no point in taking a jacket with me this morning. NEED I ... a jacket with me this morning.