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