avijit8888
Why is "appear to have been equipped" in Option C better than "appeared to have been equipped" in Option D?
It is talking about past; why is "appeared" incorrect?
Thanks
Avijit
simdang
I do not 100% understand why the OA of this question is B.
As I thought this question is stating about neanderthals (a kind of human from the past) so the tense should be past simple -> I omit A, B, and C.
We have the idiom "appear to V" and it is "to V"; therefore, why can't we state "appear to be equipped" but "appear to have been equipped" like the OA?
Thank you so much for your precious response, I really appreciate that!
Ron's answer -
by default, "appear" is in the present tense, since we're talking about the way these things appear to present-day observers.
if there were a context that would place "appear" in the past, then you could use the past tense. for instance: to nineteenth-century observers, they appeared to have been equipped...
but, absent such a context, you should go with the present, for simplicity (the default assumption is that this "appears" to be the case to present observers).
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in this case, you've also got parallelism between "appear" and "indicates", two descriptions that both describe observations made in the present.
since "indicates" is not underlined, that determines the tense context. so your other observation, which is made at the same time, should be parallel to it.
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"to have VERBed" is a type of infinitive that refers to actions in a timeframe previous to the timeframe of the sentence itself. this is actually the only kind of infinitive that can do this, so it will take the same form regardless of the tense of the main clause.
so, if you write
"the students seem to have cheated"
then
* the sentence itself is in the present ("seem"). so, the sentence is talking about the way things appear to a present observer.
* according to that present observer, it seems to be the case that the students cheated at some point in the past.
if you write
"the students seemed to have cheated"
then
* the sentence itself is in the past ("seemed"). so, the sentence is talking about the way things appeared to a past observer.
* according to that past observer, it seems to be the case that the students cheated at some point earlier in the past.
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Mitch's answer
In English, we have two infinitive tenses: the present infinitive (TO + VERB) and the perfect infinitive (TO + HAVE + PAST PARTICIPLE).
The present infinitive expresses CONTEMPORANEOUS action (an action happening AT THE SAME TIME as the main action):
John IS proud TO BE president.
Here, John IS proud (in the present) TO BE president (also in the present).
The perfect infinitive expresses PRIOR action (an action that happened PRIOR to the main action):
John IS proud TO HAVE BEEN president.
Here, John IS proud (in the present) TO HAVE BEEN president (in the past).
One definition of to appear is to seem.
The intention of the SC above is to discuss WHAT SEEMS TO BE TRUE about the Neanderthals.
The Neanderthals appear to have been equipped to face any obstacle..
Here, the Neanderthals APPEAR (in other words, they SEEM -- right now, in the present) TO HAVE BEEN EQUIPPED (in the past).