winning

[Ned_Marian]

Is it gramaticaly correct the following sentence:

Another noticeable result was their winning of the zonal competition.

[Beeesneees]

It's grammatically correct.
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Cheers m' dears!

[Torsten]

[Ned_Marian]

Thank you very much!

It seems that my english is improving day by day.

Let me know if I use correct present continous in the above phrase. I am not very sure if "day by day" request only present simple or even present continous could be used.

[Beeesneees]

Your sentence would be correct if you had capitalised the word English'.
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Cheers m' dears!

[Ned_Marian]

Ok, it is a rule of punctuation. The names of languages are always written with a capital letter.

I dont understand very well. Could "day by day" be used even with present simpe?

[Waiyin Cheng]

Yes, "day by day" can be used as simple present tense.
day by day = a little at a time and gradually.