Posse is a noun. Only verbs have past tenses.

If by chance you meant "possess", it's a weak verb and its past tense is "possessed".

It doesn't have a past tense as it is an adjective.

The past participle of the word "build" is "built."

The simple past tense of meet is met.

When trying to use the word sleep in a past tense style, the proper grammatical version of the word is "slept."

"I was so tired at work this morning as for the past two nights, I have slept horrible" is a sentence which uses the past form of sleep in a correct fashion.

Do is present tense and future tense. "I will do it." "She will do it." "You will do it."

And did is the past tense. "I did it." "He did it." "We all did it."

The past participle of "heard" is "heard."

The past progressive tense of "sting" is "was stinging" or "were stinging."

The past tense of "quack" is "quacked."

"Sold" does not have any past participle; it is the past participle of "sell".

The past participle of "burn" is "burned" in American English and "burnt" in British English.

The final consonant is not doubled in the past tense form of "open" and "listen" because they do not follow the rule of doubling the final consonant when adding -ed. Instead, they follow different rules for forming their past tense forms.

The correct past participle of "capture" is "captured."

The past tense of "bad" is "bad" and the past participle is "bad."

The past participle of "clip" is "clipped."

The past form of "hop" is "hopped," and the past participle is also "hopped."

The past tense of "insist" is "insisted."

The past participle of "discover" is "discovered."

The past simple of "look" is "looked."

The present participle of "let" is "letting."

"Fly" is an irregular verb. Its past tense is "flew" and its past participle is "flown."

For no particular reason, I would go with meow and meowed. If your intent is the verb mew meaning to confine or shut up, the past tense is mewed.

The past tense of "shovel" is "shoveled" in American English, and "shovelled" in British English.