Lydia is...
family is...
Lydia and family are...
It is correct to say "The family was in the living room." "Was" is the correct verb to use when referring to a singular subject, such as "family."
The correct grammer would be "the family invites you". "Family" is singular in American English, and therefore should use the singular form of the verb.
Has would be the correct verb to use.
The verb in this sentence is the word "is." When you use the verb "to be," you must use the correct form of it.
The correct phrase is "your family is great." In American English, "family" is typically treated as a singular collective noun, so it takes a singular verb. However, in some varieties of British English, it can be acceptable to use "are" when emphasizing the individual members of the family.
Yes
The correct way to use it as a verb would be something like "She cataloged her findings."
The correct phrase is "you had to leave." "Leave" is the correct verb form to use after "had to."
No, it is not correct to use "being" after "don't." Typically, "don't" is followed by a base form of a verb (e.g. "don't eat"), or "being" is used as part of a continuous verb form (e.g. "being eaten").
No, the correct verb to use with "you" is "were": "You were in the top third of your graduating class."
"Has started" is the correct verb to use in this context. The sentence should be written as "The weekend has started."
Yes, the form my family's is the correct contraction for for my family is. Example: My family's spending the week at the beach.