Are these sentences correct:
1-Wearing a helmet is obligatory when working here.
2-Taking a shower is what should be done after leaving the pool.
3-"Please" is what is said before being served.
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Are these sentences correct:
1-Wearing a helmet is obligatory when working here.
2-Taking a shower is what should be done after leaving the pool.
3-"Please" is what is said before being served.
They are all correct. (The second two are somewhat unnatural though.)
:)