Subject and object?

The (passive) subject is "Stroke incidence data". There is no object.

Suppose the sentence was "Stroke incidence data are obtained by us from sources.."
Would "us" be the object in the sentence?

silak12Suppose the sentence was "Stroke incidence data are obtained by us from sources.."Would "us" be the object in the sentence?

No, it would be the agent.

I am grateful to your precious time sir.
Could you tell me what a possible object of the above sentence can be?

silak12Could you tell me what a possible object of the above sentence can be?

I can't see how it is possible. Passive verbs generally do not have objects. I gather that, for example, "letter" in "I was given the letter", may be termed an object, but the verb "obtain" does not support any analogous construction.

We obtained this stroke incidence data from various reliable sources.

Subject: we
Verb: obtained
Object: stroke incidence data

silak12Stroke incidence data are obtained from sources.

You've got three constituencies in the sentence above:

1) Stroke incidence data - a noun phrase which functions as a subject of the sentence;
2) are obtained - a verb phrase which functions as a predicator of the sentence;
3) from sources - a prepositional phrase whic

AnonymousYou've got three constituencies

constituents

Constituencies are groups of people represented by an elected government official.

CalifJimconstituents

Thank you for the correction. Dammit, it's always like that when the Android's algorithm prompts words to be put into the text and I do it, sorry to say, without careful proofreading.