The past tense of talk is "talked". It is also the participle.
That is the correct spelling of the past tense form "reminisced" (remembered, reflected on the past).
The word "happened" is the past tense form of the verb "to happen".
Yes: shielded. This is the past tense form of "shield".
The past tense or adjective form does not double the E : received.
The verb form is spelled commemorate (honor or recognize a past action).
Talked
The past tense is 'told'.
spelt per American Heritage Dictionary "alternate past tense and past participle of spell".
"Talked" is already the past participle, or past indicative, of "talk". "Talked" as such does not have a past participle, because it is not an infinitive form of a verb.
Successful is an adjective and so doesn't have a past form. The past tense of succeed is succeeded.
The past tense form of "party" is "partied."
It is spelled:weighted. <><><><><> How about weighed
The past tense form of "talk" is "talked."
The past tense is the usual -ed form, volleyed.
Sailed is already the past tense form of 'sail'.
"Must" doesn't have a past form. You can use "had to" to talk about obligation in the past.
To talk about something that has already happened.