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Two things to keep in mind: It's a house that belongs to several people ("the Johnsons") and the apostrophe would go at the end of that word to show possession of the house by all of them.

Although it's often written as "for goodness sake," the correct way is "for goodness' sake" because of a rule that says if a word ending in an "s" sound is followed by a word beginning with an "s," you add an apostrophe to the first word. (It's also correct to say "for conscience' sake").

The point of an article is to indicate whether a noun is specific or nonspecific. Specific: "She bent to pick up the cat." Nonspecific: "She's going to adopt a cat."

Your teacher may have made a big deal about not doing this, but ending a sentence with a preposition is just fine, and can even make your writing/speaking sound more natural. Now that's something we can get behind. (Get it? "Behind" is a preposition. Others include "of," "on," and "to.")

It depends on which dictionary or style guide you consult, but generally the whole point of the hyphen is to avoid ambiguity. "She ate a chocolate chip cookie" doesn't need any hyphen because the meaning is clear. Meanwhile, "She had a concealed-weapons permit" needs a hyphen because without it, it could imply that she has a weapons permit hidden away.

No matter where a proper noun falls in a sentence, it must be capitalized. For example, "Queen Elizabeth and her grandson Louis went to London." Common nouns require no such effort, as in, "The little boy and his grandmother went to the park."

Every verb can take up to five forms. For example, the verb "sing" has "sing" (root), "sings" (simple present), "singing" (present participle), "sung" (past participle) and "sang" (past simple). Not every verb has the latter distinction. Many just have four forms.

These adverbs are pretty powerful, as they modify entire sentences, like, "Honestly, I'm not a big fan of coffee." Generally, regular old adverbs describe the verb they are paired with ("He sings badly.")

Although "she" is a personal pronoun, it's not a relative pronoun. Instead, relative pronouns like "that," "who" and "which" are used to connect independent and relative clauses. For example, "The man who took our order was rude."

The eight parts of speech are nouns, verbs, adjectives, pronouns, adverbs, conjunctions, prepositions and interjections.