Actions

Combat
Name	Action Type	Attack of Opportunity
Attack (Melee)	Standard	No
Attack (Unarmed)	Standard	Yes
Attack (Ranged)	Standard	Yes
Draw a Hidden Weapon	Standard	No
Aid Another	Standard	Maybe1
Bull Rush	Standard	Yes
Escape a Grapple	Standard	No
Feint	Standard	No
Ready	Standard	No
Sunder	Standard	Maybe2
Total Defense	Standard	No
Move	Move	Yes
Control a Frightened Mount	Move	Yes
Draw a Weapon	Move	No
Load a Crossbow (Light/Hand)	Move	Yes
Mount/Dismount	Move	No
Shethe a Weapon	Move	Yes
Ready/Loose a Shield	Move	No
Full Attack	Full	No
Charge3	Full	No
Load a Crossbow (Heavy/Repeating)	Full	Yes
Prepare to Throw Splash Weapon	Full	Yes
Casting
Name	Action Type	Attack of Opportunity
Cast a Spell (std. action)	Standard	Yes
Concentrate to Maintain an Active Spell	Standard	No
Dismiss a Spell	Standard	No
Lower Spell Resistance	Standard	No
Direct/Redirect an Active Spell	Move	No
Use Touch Spell on Up to 6 Friends	Full	Yes
Using an Item
Name	Action Type	Attack of Opportunity
Activate Magic Items (No potions)	Standard	No
Drink a Potion	Standard	Yes
Light a Torch with a Tindertwig	Standard	Yes
Read a Scroll	Standard	Yes
Pick Up an Item	Move	Yes
Retrieve a Stored Item	Move	Yes
Light a Torch	Full	Yes
Lock/Unlock Weapon in Locked Gauntlet	Full	Yes
Special Actions
Name	Action Type	Attack of Opportunity
Stabilize a Dying Friend	Standard	Yes
Overrun	Standard	No
Turn or Rebuke Undead	Standard	No
Use Extraordinary Ability	Standard	No
Use skill that takes 1 action	Standard	Usually
Use Spell-like Ability	Standard	Yes
Use Supernatural Ability	Standard	No
Open/Close Door	Move	No
Move Heavy Object	Move	Yes
Stand Up from Prone	Move	Yes
Deliver Coup de Grace	Full	Yes
Escape from a Net	Full	Yes
Extinguish Flames	Full	No
Use Skill That Takes 1 Round	Full	Usually
Withdraw3	Full	No
If your aided action normally provotes the Attack of Opportunity, your aid does as well. You provoke an Attack of Opportunity if the object is being carried by someone. If you are limited to taking only a single action in a round, you may use this action as a standard action.