Have become extinct during

[Madness1]

I was reading something about wolves in Great Britain and this is what I have found in an article on Wikipedia:
"The wolf is generally thought to have become extinct in England during the reign of Henry VII (AD 1485–1509), or at least very rare." - https://en.wikipedia.org/wiki/Wolves_in_Great_Britain

Unless I am not understanding something the sentence in quotes in wrong because present perfect cannot be used when you specify the exact time in the past when the extinction of wolves happened.
Am I correct or am I missing something?
The reason I am asking is because "the wolf is generally thought to became extinct" does not sound as good to me as the original sentence, although I am not sure why.

 

[5jj]

This is not the present perfect. It is the perfect infinitive, which functions as the infinitive form for both the present perfect aspect and the past tense.5t

 

[Madness1]

This is not the present perfect. It is the perfect infinitive, which functions a the infinitive form for both the present perfect aspect and the past tense.

Alright. It makes perfect sense now.
It's not a standard kind of sentence so I wasn't sure if this is a mistake or if it's fine.

 

[Rover_KE]

It's not a standard kind of sentence ...

On the contrary—it's a perfectly standard sentence.

 

[emsr2d2]

[STRIKE]Alright[/STRIKE] All right. It makes perfect sense now. It's not a standard kind of sentence so I wasn't sure if [STRIKE]this is[/STRIKE] it was a mistake or if [STRIKE]it's fine[/STRIKE] it was OK.

See above. We almost never use "fine" except in the direct statement "It's fine". We don't use it in the interrogative or the negative or in hypotheticals.

 

[Tdol]

It is thought to have died out = We think it died out

 

[Madness1]

On the contrary—it's a perfectly standard sentence.

Oh yes. I guess what I tried to say is that I was not exposed to this kind of sentences a lot and that's why it seemed wrong to me.

See above. We almost never use "fine" except in the direct statement "It's fine". We don't use it in the interrogative or the negative or in hypotheticals.

And what if I wanted to say: "I wasn't sure if it was a mistake or if it was fine as it was"?

It is thought to have died out = We think it died out

Right. Now it makes even more sense than before.