Using will/will not after if





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Most grammar rules state that will shouldn't be used after if.



Here is my sentence, I am wondering whether it is correct.




It may cause an exception if there won't be a valid character in the
stream.




Is this sentence correct? Or I should use if there is no valid?



Thanks










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  • It may help to add a tag for a particular brand of English (eg "american-english", "british-english" or wherever). Some dialects which appear to be standard admit would there; others don't.

    – Andrew Leach
    2 days ago


















0















Most grammar rules state that will shouldn't be used after if.



Here is my sentence, I am wondering whether it is correct.




It may cause an exception if there won't be a valid character in the
stream.




Is this sentence correct? Or I should use if there is no valid?



Thanks










share|improve this question























  • It may help to add a tag for a particular brand of English (eg "american-english", "british-english" or wherever). Some dialects which appear to be standard admit would there; others don't.

    – Andrew Leach
    2 days ago














0












0








0








Most grammar rules state that will shouldn't be used after if.



Here is my sentence, I am wondering whether it is correct.




It may cause an exception if there won't be a valid character in the
stream.




Is this sentence correct? Or I should use if there is no valid?



Thanks










share|improve this question














Most grammar rules state that will shouldn't be used after if.



Here is my sentence, I am wondering whether it is correct.




It may cause an exception if there won't be a valid character in the
stream.




Is this sentence correct? Or I should use if there is no valid?



Thanks







grammar conditionals clauses future






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asked 2 days ago









CROSPCROSP

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  • It may help to add a tag for a particular brand of English (eg "american-english", "british-english" or wherever). Some dialects which appear to be standard admit would there; others don't.

    – Andrew Leach
    2 days ago



















  • It may help to add a tag for a particular brand of English (eg "american-english", "british-english" or wherever). Some dialects which appear to be standard admit would there; others don't.

    – Andrew Leach
    2 days ago

















It may help to add a tag for a particular brand of English (eg "american-english", "british-english" or wherever). Some dialects which appear to be standard admit would there; others don't.

– Andrew Leach
2 days ago





It may help to add a tag for a particular brand of English (eg "american-english", "british-english" or wherever). Some dialects which appear to be standard admit would there; others don't.

– Andrew Leach
2 days ago










1 Answer
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Use "It may cause an exception if there is no valid character in the stream". You only use "will" in a conditional clause if the action in the clause takes place after the action in the main clause. In your example, the presence or absence of a valid character occurs before the exception.



That rule is generally applicable, but there are other cases where using will is appropriate, like when it's being used to express willingness, rather than future action.






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    Use "It may cause an exception if there is no valid character in the stream". You only use "will" in a conditional clause if the action in the clause takes place after the action in the main clause. In your example, the presence or absence of a valid character occurs before the exception.



    That rule is generally applicable, but there are other cases where using will is appropriate, like when it's being used to express willingness, rather than future action.






    share|improve this answer




























      -1














      Use "It may cause an exception if there is no valid character in the stream". You only use "will" in a conditional clause if the action in the clause takes place after the action in the main clause. In your example, the presence or absence of a valid character occurs before the exception.



      That rule is generally applicable, but there are other cases where using will is appropriate, like when it's being used to express willingness, rather than future action.






      share|improve this answer


























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        -1







        Use "It may cause an exception if there is no valid character in the stream". You only use "will" in a conditional clause if the action in the clause takes place after the action in the main clause. In your example, the presence or absence of a valid character occurs before the exception.



        That rule is generally applicable, but there are other cases where using will is appropriate, like when it's being used to express willingness, rather than future action.






        share|improve this answer













        Use "It may cause an exception if there is no valid character in the stream". You only use "will" in a conditional clause if the action in the clause takes place after the action in the main clause. In your example, the presence or absence of a valid character occurs before the exception.



        That rule is generally applicable, but there are other cases where using will is appropriate, like when it's being used to express willingness, rather than future action.







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        answered 2 days ago









        skysky

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