When you use these elements you are using the present perfect tense.
The past participle form of the word "use" is "used."
"Use" is a regular verb; therefore, its past participle is "used".
Used is the past participle; using is the present participle.
Used (e.g "It had been used for...", "John was used", etc.)
The past participle of do is done. The past participle of have is had.
The past participle form of the word "use" is "used."
"Use" is a regular verb; therefore, its past participle is "used".
Used is the past participle; using is the present participle.
Yes you can.
"ridden" is the past participle of "rode"
All are past and past participle in tense.
Used (e.g "It had been used for...", "John was used", etc.)
The past participle of do is done. The past participle of have is had.
The past participle of am is been. Not does not have a past participle
What is the past participle of do
The past participle of have is had....:) I have had...
The present and past particle of the butterfly is butterflies. butterfly is a noun and doesn't have a present and past participle