Present perfect tense

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Please see if this sentence grammatically correct?

 

Since January, I have started the design and construction of a database, which served as an "organizer" for my research.

 

Can I used "have started"(present perfect), and then "served"(past tense)?

asked Apr 19 '11 at 14:32 CF LOK New member

1 answer


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To answer your question, no.  'Have started' implies that the database if finished, while 'served' implies that you have finished it.

 

Beginning in January, I started the design and construction of a database, which has served as an "organizer" for my research.

 

Using the perfect tense in the secondary place implies that since you started designing the database, it has been helpful to you.

link comment answered Apr 20 '11 at 13:31 Kimberly Expert

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