Rewrite the sentences. Find and correct the preposition errors.

1. Alex parked his car outside the shop regardless to the No Parking sign.
2. The Minister said he would never accede for the union's demands.
3. It's time the police clamped down to cyclists going through red lights.
4. The President has assented at the latest world environment plan.
5. The Minister is likely to acquiesce with the proposal.
6. The college principal has given the green light on the students' proposal for an end-of-term festival.
7. The company has been given the go-ahead at a new factory in the city.
8. The inspector had carte blanche for investigate every aspect of the business.