Yes, sister-in-law is hyphenated.
No. It is a noun, and is normally hyphenated sister-in-law.
The term is hyphenated "sister-in-law" (husband's or wife's sister, or brother's wife).
The compound word for sister-in-law is "sister-in-law".
yes, and its an example of a hyphenated compound word
Examples of traditionally hyphenated compound nouns are:blue-greenfive-year-oldjack-in-the-boxjack-in-the-pulpitmother-in-law, father-in-law, sister-in-law, brother-in-lawsix-packT-shirt (or tee-shirt)x-ray
Whether your sister-in-law should clean for you is entirely a matter of circumstance and opinion. There is no general answer.
You can refer to her as your sister-in-law; in person you should call her by her name.
Yes it should be hyphenated.
Yes, it should be hyphenated.
Yes it should be hyphenated.
yes check-up should be hyphenated
It should be hyphenated.