forgetting
v.v. to fail to remember something you once knew. You use this when you cannot find a piece of information in your mind.
v. to fail to recall or retain information previously acquired. Transitive when taking a direct object or a 'that' clause; intransitive when describing the general loss of memory.
I am always forgetting where I put my keys.
She apologized for forgetting the meeting, explaining that her calendar had not synced correctly.
The protagonist struggles with the gradual process of forgetting his childhood home, as the specific details of the architecture fade into a generic blur of memory.
The verb is often used in the continuous form ('forgetting') to describe a habit or a gradual process.
I am forgetting of your nameI am forgetting your nameThe verb is transitive and takes a direct object; it does not require the preposition 'of'.