I have found one SC on Kaplan test:

The Limon Dance Company believes that, since the death of the Jose Limon in 1972, they have and will continue to perpetuate the shared artistic vision of Limon and his mentor and collaborator Doris Humphrey, who both choreographed works in the company's active property.

What you think could be the correct sentence?



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1. I am concerned with what I have done. ---> what he did in the past
2. I am concerned with what I have and will do. --> what he possesses and what he will do in future

I think it is an incorrect sentence because "they" doesnt have a clear antecedent

so you are saying this is the answer ?? can you also tell me the source of this question please ?

neo,

Please read carefully what we are discussing here.


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The Limon Dance Company believes that, since the death of the Jose Limon in 1972, they have and will continue to perpetuate the shared artistic vision of Limon and his mentor and collaborator Doris Humphrey, who both choreographed works in the company's active property.

A. they have and will continue to perpetuate the shared artistic vision of Limon and his mentor and collaborator Doris Humphrey,

B. they have and will continue to perpetuate Limon and his mentor and collaborator Doris Humphrey shared artistic vision,

C. it has and will continue to perpetuate the shared vision of Limon and his mentor and collaborator Doris Humphrey,

D. it has perpetuated and will continue perpetuating the artistic vision of Limon and his mentor and collaborator Doris Humphrey shared,

E. it has continued to perpetuate the shared artistic vision of Limon and his mentor and collaborator Doris Humphrey,

I hope this will help more.
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Eli,

Thanks for your expanation. Even I agree with your point. I have referred Manhattan SC and it that its clearly mentioned that - If an action is happened in the past and it is continued to the present then we use Present Perfect tense. But, does it means that -
If an action is happened in the past and it is continued to the present and will continue to happen in the future then the use Present Perfect tense is correct.

Can you explain more on the SC problem above. E is the OA but I am not convienced with it.


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ykaiim,

Remember, the GMAT test grammar, but it also tests style. 'Have continued and will continue' is grammatically correct, but it contains redundant information, which makes it stylistically incorrect. Grammar always takes precedence over style on the GMAT, but since there is another answer choice that is grammatically sound but also avoids that repetition, that second answer is the one we must select.
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Hi ykaiim,

Sorry I wasn't clear. 'Have continue' is NEVER correct. From a grammatical point of view, the auxiliary verb 'have' in the present perfect must always be followed by the past participle.

(A) and (B) are therefore incorrect because of the rule of ellipsis--omitted words. In 'have been and will continue' and 'have and will continue', we're leaving out a word: the first instance of the verb 'continue' in each case. When we have orphaned auxiliary verbs like 'have been', we can't make up a new verb tense out of thin air. We must use the one we are provided elsewhere in the sentence: 'continue'. Filling in that missing word to test for correctness, we get 'have been continue and will continue' and 'have continue and will continue', both of which are obviously grammatically wrong.

The remaining two answer choices do away with the ellipses, moving the part about the past to an intervening phrase. 'Already did' is grammatically incorrect because the diminishment continues to the future. But we are still left with (D) and (E)

Here's the confusing part--and the unique behavior of the verb 'continue'. Remember, the present perfect tense refers to an event that began in the past and continues to the present. What about 'continue'? Well, the verb 'continue' refers to an event that began in past and continues to the present!

Thus, the trap of choice (D), and the trap from the previous problem. Because the verb 'continue' always implies the present perfect by its very definition, actually including the present perfect in our sentence is redundant. Saying that it 'already has diminished', or (as in the Limon problem) 'has continued and will continue', is considered stylistically incorrect by the GMAT, because the present perfect explicitly states information that is already implied, and therefore adds nothing but word count to the sentence.
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Eli,
Thanks a lot for the explanation!