could have use exist in sentence
Exist Verb Forms
| Base form (v1) |
Exist |
| Past form (v2) |
Existed |
Past Participle (v3)
-ed form |
Existed |
Present Participle (v4)
‘ing’ form |
Existing |
Present simple (v5)
s / es/ ies |
Exists |
could have use - exist verb forms
POSITIVE STATEMENT:
I could have existed
situation
We could have existed
situation
You could have existed
situation
They could have existed
situation
He could have existed
situation
She could have existed
situation
It could have existed
situation
Name could have existed
situation
QUESTION:
could I have existed
situation
?
could We have existed
situation
?
could You have existed
situation
?
could They have existed
situation
?
could He have existed
situation
?
could She have existed
situation
?
could It have existed
situation
?
could Name have existed
situation
?
