past participles

Write down the past participle of the verb -

stand stood ?

Write down the past participle of the verb - steal stole ?

Write down the past participle of the verb - swim swam ?

Write down the past participle of the verb - take took ?

Write down the past participle of the verb - teach taught ?

Write down the past participle of the verb - think thought ?

Write down the past participle of the verb - throw threw ?

Write down the past participle of the verb - understand understood ?

Write down the past participle of the verb - wake woke ?

Write down the past participle of the verb - wear wore ?