The past participle is had.
had
The three kinds of participles are present participles (ending in -ing), past participles (often ending in -ed, -en, or other irregular forms), and perfect participles (having been + past participle).
The three kinds of participles are past simple participles, past participles, and present participles. Future participles are not included because they don't involve changing the actual word.
"Fungus" is a noun, not a verb. Nouns do not have past participles, or any other participles.
The two types of participles are present participles and past participles. Present participles typically end in "-ing" and are used to form continuous verb tenses, while past participles often end in "-ed," "-d," "-t," "-en," or "-n" and are used to form perfect verb tenses.
Present and past are the only types of participles in English.
constructed
The past participle is shaken.
In Spanish, yes, there can be feminine endings on past participles. English does not have gender-specific endings on past participles.
Sworn
SUNK
It is leapt.
"Mixture" is a noun. Only verbs have tenses, past participles, and present participles. "Mix" is a verb. The past tense and past participle of "mix" is "mixed".