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I'm doing an exercise on verbs, I've attempted most of them, but some of them completely baffle me but I've tried at attempt them otherwise, , does anyone know these and are my ones correct or wrong? Thanks in advance.

Basic form Past simple Past participle Present participle
Walk Walked Walked Walking
Eat Ate Eaten Eating
Sing Sang
SungSinging
Look LookedLooked
Looking
Go WentGoneGoing
Become BecameBecomeBecoming
Speak SpokeSpokenSpeaking
Do DidDoneDoing
Bring BroughtBroughtBringing
Hide HidHiddenHiding
Write WroteWrittenWriting
Be AmWasBeing
Have HadHadHaving
Sleep SleptSleptSleeping
Know KnewKnownKnowing
Steal StoleStolenStealing
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Basic form Past simple Past participle Present participle
Walk Walked Walked Walking
Eat Ate Eaten Eating
Sing Sang
SungSinging
Look LookedLooked
Looking
Go WentGoneGoing
Become BecameBecomeBecoming
Speak SpokeSpokenSpeaking
Do DidDoneDoing
Bring BroughtBroughtBringing
Hide HidHiddenHiding
Write WroteWrittenWriting
Be Was/Were
Been
Being
Have HadHadHaving
Sleep SleptSleptSleeping
Know KnewKnownKnowing
Steal StoleStolenStealing

Be, Was/Were, Been, Being
All the others are correct.
CJ
Edited to correct the error found by Yoong Liat. See posts below.
Comments  
Students: Are you brave enough to let our tutors analyse your pronunciation?
HI CJ

Why is 'am' the Past Simple? It is definitely an inadvertent error. Shouldn't it be was/were? And isn't been the Past Participle?






I must have misread the column headings. Or maybe I was distracted in some other way.
I will go back and correct it.
Thanks so much for pointing out the error.
CJ
P.S. Actually, after taking a look at it again, I see that the red marks, it turns out, were to show the error in the original poster's chart. Am and Was were the original poster's answers. Below the chart I put the corrections, underlined.
But no matter. It probably makes more sense to put the correct forms within the chart anyway, so that's what I did. Emotion: smile