Intensity:
* Loudly: He shouted loudly for help.
* Fiercely: She shouted fiercely at the dog.
* Angrily: They shouted angrily at each other.
* Passionately: He shouted passionately about his beliefs.
Manner:
* Excitedly: The children shouted excitedly as they ran to the playground.
* Joyfully: She shouted joyfully at the news.
* Triumphantly: The team shouted triumphantly after winning the game.
* Desperately: He shouted desperately for someone to hear him.
Time:
* Suddenly: He suddenly shouted in surprise.
* Repeatedly: The teacher repeatedly shouted for quiet.
* Constantly: The baby constantly shouted for attention.
Other:
* Clearly: He shouted clearly so everyone could hear him.
* Directly: She shouted directly at the person who had insulted her.
* Sadly: He shouted sadly, "I'm leaving!"
The best adverb to use will depend on the specific situation and the emotion you want to convey.