must have use yawn in sentence
Yawn Verb Forms
| Base form (v1) |
Yawn |
| Past form (v2) |
Yawned |
Past Participle (v3)
-ed form |
Yawned |
Present Participle (v4)
‘ing’ form |
Yawning |
Present simple (v5)
s / es/ ies |
Yawns |
MUST HAVE use -yawn verb forms
POSITIVE STATEMENT:
I must have yawned
situation
We must have yawned
situation
You must have yawned
situation
They must have yawned
situation
He must have yawned
situation
She must have yawned
situation
It must have yawned
situation
Name must have yawned
situation
QUESTION:
must I have yawned
situation
?
must We have yawned
situation
?
must You have yawned
situation
?
must They have yawned
situation
?
must He have yawned
situation
?
must She have yawned
situation
?
must It have yawned
situation
?
must Name have yawned
situation
?
