Help /sentences

Help /sentences
Message de hudaa posté le 27-08-2017 à 14:06:55 (S | E | F)
Hello everybody
I would like to know if the following sentences are correct please.
Thanks for any reply.
"....In the near future ( or Now), our efforts are concentrated on .... "
"....are still open problems"
"....is still an open problem"

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Modifié par lucile83 le 27-08-2017 14:34

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Réponse : Help /sentences de lucile83, postée le 27-08-2017 à 16:46:13 (S | E)
Hello,
Mind the plural or the singular + the moment when the action takes place.
"....In the near future our efforts will be concentrated on .... " correct
...Now our efforts are concentrated on ...correct
"....are still open problems" ...correct
"....is still an open problem" ...incorrect, our efforts is a plural, then the verb must be a plural : are

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Réponse : Help /sentences de hudaa, postée le 28-08-2017 à 02:24:49 (S | E)
Thank you Lucile83
Mind the plural or the singular + the moment when the action takes place.
"....In the near future our efforts will be concentrated on .... " correct ok here efforts is plural and the moment of the action is the future
...Now our efforts are concentrated on ...correct here, Plural + (now) means the verb must be in the present simple

But here, there is a problem.........really my problem is with an
"....are still open problems...correct (without an)
"....is still an open problem" ... I can put the an
Thank you again for your reply.

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Réponse : Help /sentences de lucile83, postée le 28-08-2017 à 04:39:17 (S | E)
Hello,
- our efforts is still an open problem ...is not correct because the subject 'our efforts' is a plural, then the verb must be a plural = are.
- the article a/an means 1 (one) and then is singular. You can talk about a problem, but you'll talk about 2 or more problems.
Examples:
there is a book on the table
there are 3 books on the table

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Réponse : Help /sentences de hudaa, postée le 28-08-2017 à 12:37:08 (S | E)
Thank you very much Lucile83.

I understand your explanation.

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