had slept
The past perfect tense of sleep is had slept.
The present perfect is -- have /has + past participle = has/have slept.
The past tense is slept.
The past perfect tense is had contained.
The past progressive tense of sleep is was/were sleeping.I was sleepingWe were sleepingYou were sleepingHe/She/It was sleepingThey were sleeping
Present perfect is formed with have / has + past participle. The past participle of sleep is slept, so the present perfect is have slept or has slept eg They have slept all day She has slept all day
The past perfect tense of the word "slow" is "had slowed."
The past perfect tense is had committed.
Slept.
The past tense of sleep is slept.Slept
Was and had been.
'Fed' is the simple past. 'I have fed' is the present perfect. 'I had fed' is the past perfect. 'I will have fed' is the future perfect. 'I would have fed' is the conditional perfect.