Slept is the past tense of the verb sleep, so there is no past tense for it.
"These" is not a verb and does not have a past tense.
Was is a past tense of the verb "be".
Weak is not a verb, so it has no past tense. "Weaken" is the related verb, and its past tense is weakened.
Was is the past tense of is.
The past tense of the verb 'am' is 'was' or 'were.' The verb 'am' is derived from the verb 'to be.'
The past tense of "do" is "did."
The past tense of beat is beat.
By is not a verb and does not have a past tense. Buy is a verb, and the past tense is bought.
The past-tense verb for "be" is "was" or "were" depending on the subject.
The past tense of beat is also beat. The past participle is beaten.
The past tense of "beat" is pronounced as /biːt/.
"Shook" is the past tense of the verb, "to shake".
The past tense of the verb "take" is "took."
reside is the verb. Resided is the past tense.
The past tense of the verb "promise" is "promised."
The past tense for "beat" is "beat". (beat, beat, beat or beaten)