First, "families" is the plural of the word "family." My family lives in Boston, for example. As for the plural: The families of the tornado victims all gathered at the church to pray. Or, There are many families who enjoy going to the beach on a hot summer day.
yes it is.
No, you mean the word "fare".
The correct usage would be "on the same plane". Plane as in "plate", "table" or "page". These are nouns. "Plain" is an adjective.
No, "sence" is not a word in standard English usage. The correct spelling is "sense."
"Anyway" is the only correct word. "Anyways" is not a genuine word, and therefore its usage is never correct.
The correct usage is "a unidimensional." This is because the word "unidimensional" starts with a consonant sound, so it requires the article "a" instead of "an."
My father didn't give my allowance for this week.
"Two of them have sent" is correct usage.
He Emailed him after the work was done to show his progress. This is an example of usage of email word.
The doctor has left the building. There is a sentence using the word "doctor" correctly.
I have a dream. (Noun) I dream of better days. (Verb)
It is correct but instead of caused I would use a word that implied brought out, like elicited.