1. Also many events and festivals are held with (the) opening of the sea.
(Is it correct? Do we ahve to sue 'the' here?)
2. The beach provides tourists with other attractions every year.
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Are they grammatical?
I don't understand what you mean by "with (the) opening of the sea" -- I guess because in my mind, the sea never closes.
2 is fine.
After the opening of the sea, people can swim....though people can use the beach all the year round. (So in this case, can we use 'the expression' above? Do we have to put 'the' before 'opening'?)
I see what you mean now.
Yes, 1 is fine as long as you use "the" before "opening." The word "the" indicates a particular event or action.
1. The sentence "Also many events and festivals are held with (the) opening of the sea" is grammatically correct. In this case, you can choose to include or omit the article "the" before "opening." Whether to use "the" or not depends on the specific context and how you want to convey the meaning. Here are two possible explanations:
- Using "the": If there is a specific opening of the sea that is well-known or previously mentioned, you can use "the" to refer to that specific event. For example, if there is an annual ceremony when the sea is officially declared open for a particular season, you could say, "Also, many events and festivals are held with the opening of the sea."
- Omitting "the": If there is no specific reference or if you want to discuss the general concept of an opening of the sea, you can omit "the." This implies that events and festivals take place whenever the sea is open, without referring to a specific well-known occurrence.
2. The sentence "The beach provides tourists with other attractions every year" is grammatically correct. It conveys that the beach offers various entertainment or points of interest to tourists on a regular basis.