fromEnglish Grammar Today
Raisemust have an object, as it is a transitive verb. It is a regular verb; its three forms areraise, raised, raised:
Raiseyour hand if you know the answer.
Our favourite restaurant hasraisedits prices again. It’s getting very expensive.
Risedoes not take an object, as it is an intransitive verb. It is an irregular verb; its three forms arerise, rose, risen:
The sunroseat 5.30 this morning.
Rents haverisensharply in this part of town.