must use observe in sentence
Observe Verb Forms
| Base form (v1) |
Observe |
| Past form (v2) |
Observed |
Past Participle (v3)
-ed form |
Observed |
Present Participle (v4)
‘ing’ form |
Observing |
Present simple (v5)
s / es/ ies |
Observes |
MUST use - observe verb forms
POSITIVE STATEMENT:
We must observe
situation
You must observe
situation
They must observe
situation
He must observe
situation
She must observe
situation
It must observe
situation
Name must observe
situation
QUESTION:
must I observe
situation
?
must We observe
situation
?
must You observe
situation
?
must They observe
situation
?
must He observe
situation
?
must She observe
situation
?
must It observe
situation
?
must Name observe
situation
?
