could have use challenge in sentence
Challenge Verb Forms
| Base form (v1) |
Challenge |
| Past form (v2) |
Challenged |
Past Participle (v3)
-ed form |
Challenged |
Present Participle (v4)
‘ing’ form |
Challenging |
Present simple (v5)
s / es/ ies |
Challenges |
could have use - challenge verb forms
POSITIVE STATEMENT:
I could have challenged
situation
We could have challenged
situation
You could have challenged
situation
They could have challenged
situation
He could have challenged
situation
She could have challenged
situation
It could have challenged
situation
Name could have challenged
situation
QUESTION:
could I have challenged
situation
?
could We have challenged
situation
?
could You have challenged
situation
?
could They have challenged
situation
?
could He have challenged
situation
?
could She have challenged
situation
?
could It have challenged
situation
?
could Name have challenged
situation
?
