It depends on where it is used:
'Both the parents are working' is not as good as 'Both ofthe parents are working'.
'Both the parents and the children had fun' is correct.
Both are correct. Cancelled/Cancelling is British spelling. Canceled/Canceling is American spelling.
Both of these sentences are grammatically correct. I am studying is the present continuous tense. I study is the simple present tense.
Both are correct (according to Collins English dictionary). Examples... This it the way the word is spelt. The word is spelled this way.
If you are talking about only one parent it would be "parent's name" but if you are talking about both parents then it would be "parents' names"correct
Both output and outputs is correct, although in American English the word output is used.
Both are correct, but unless the word parents is meant to be emphasized, we prefer "you and your parents."
Both "ambience" and "ambiance" are correct spellings, with "ambiance" being the more common in American English and "ambience" in British English. They both refer to the atmosphere or mood of a place.
They are both correct. Note: Cambridge uses British English.
Both the parents of Wayne Rooney are English .
Both are correct English. The difference is one of tense.
Both are correct and used interchangeably.
Both "you and he" and "he and you" are grammatically correct, but "you and he" is more commonly used in English.
English or British are both correct.
Yes, that sentence is grammatically correct. It is a complete sentence with a subject (your parents) and a verb (are gone).
It is correct to say "my parents and I all like it" to emphasize that everyone in the group likes it. On the other hand, using "both" is unnecessary in this context as it specifically refers to two people, which may not be the case when including parents and oneself.
A couple dozen lighthousesa is not the correct English because both the couple and dozen are collective words.
Yes, that is correct.