Originally Posted by Jayesh01
They are not phrasal verbs. A phrasal verb is a phrase that consists of a verb plus an adverbial or a prepositional particle that modifies or changes the initial meaning of the verb.
e.g. : to give up =to renounce; to stop doing something [ otherwise "give" means :offer]
to grow up = educate [ grow =develop]
The verbs you are talking about are verbs followed by a preposition :
disagree with : I disagree with them.
disagree on :I disagree on the plans he did.
decided that : We decided that she should take all the necessary precautions.
decided to ; I decided to go there
decided on : She did not decide yet on whether she should go there and tell him the whole story or not.
decide against : Would you decide against marrying a person who is over ten years older than you?
For further information search the following site :
I hope it heps.