Yes, "First Lady" should be capitalized when used as a title for the wife of a president.
It is capitalized when it is used as an official title, like President, Tzar, and Prime Minister. We heard a speech by First Lady Michelle Obama. But if it is just used in general, it is not capitalized: there have been a number of first ladies who did not like living in Washington DC.
Yes, 'My Lady' is capitalized when addressing a noble as it is considered a sign of importance.
No, first frost would not be capitalized
Yes, countries are capitalized in Italian.Specifically, the first letter of ordinary nouns is not capitalized. But the first letter of proper nouns tends to be capitalized. Countries are proper nouns whose first letter is capitalized.
"Who" and "was" are not capitalized unless they are the first words of a sentence.
The first 'c' should be capitalized.
"Can" is typically not capitalized in sentences unless it is the first word or part of a proper noun.
A proper noun has its first letter capitalized.
No they shouldn't be capitalized.
The first 'T' in Twitter is capitalized only.
Carnation as a kind of flower should not be capitalized. But Carnation as a name should be capitalized. Examples:My mom loves roses, carnations and lilies. The lady likes the Carnation milk.