Grammar

I think "stairs" is the subject of this sentence.

Yes, the sentence "I have been in love with him since childhood" is grammatically correct. It uses the present perfect tense to express an action that started in the past and continues into the present.

When my chauffer was travelling the circumference of the magnificent icicle generator and incinerator, that strange circumstance created a necessary vaccine against a disease I cannot pronounce and no doubt would fascinate all Moms.

"taste" here is intransitive-- it is not active and you can not change it to passive.

-- "taste" here means " has the taste" of - the is honey is not doing any tasting.

If we change the sentence to; The bear tastes the honey, passive form would be

The honey is tasted by the bear.

No, a proper name typically refers to a specific individual or entity and is used as a first or second person word. Third person pronouns (he, she, they, etc.) are used when referring to someone or something other than the speaker or the person being spoken to.

The noun forms of the verb to compare are comparer, comparison, and the gerund, comparing.

"There" is an adverb that indicates the location of something, while "their" is a possessive pronoun used to show ownership by a group of people. For example, "The book is over there on the table" uses "there" to indicate a place, while "Their dog is playful" uses "their" to show ownership by a group of people.

Not exactly. It should read " .... help you with today?"

The present participle of flow is flowing.

the phrasal verb for "decrease" is go down.

To change a singular noun to plural by adding an "S," simply append the letter "S" to the end of the word. For example, "cat" becomes "cats" and "book" becomes "books."

To change a singular noun to plural, add "-s" or "-es" to the end of the word depending on the spelling and pronunciation. Some common rules include adding "-s" for most nouns, "-es" for nouns ending in s, sh, ch, or x, and changing a final "y" to "i" before adding "-es." It's important to pay attention to irregular plural forms that do not follow these rules.

In series or lists like "bread, butter and jam" vs "bread, butter, and jam" there is no strict rule.

It largely depends on geography (with the US being most adherent of adding the extra comma) and also depends on medium (newspapers and magazines very rarely use extra commas before the last and/or). In general just think about it and if the series is ambiguous then add an extra comma, if not then you're free to leave it out, although if you want to add the extra comma as a personal preference then you're free to add it and still technically be correct.

Athletic cross-trainers are multi-disciplined.

Martial arts practitioners are often multi-disciplined.

The possessive form of "he" is "his": He did his homework after dinner.

Yes. Whenever you start a sentence with yes, no, a person's name, and so forth, you use a comma after it.

ex. Yes, I feel hungry.

ex. No, I don't want to swim.

ex. Alice, take this to your mother.

ex. Hey, why did you do that?

ex. Yes, sir.

The singular form of vixen is "vixen." Both the singular and plural form of this word are the same.

The only question here would be about forming the possessive. All English nouns form the possessive singular by adding '-s: Jess's place. All English plurals ending in -s form the possessive by adding the apostrophe alone: The Joneses' house.

Well if you think about it- neither one is correct as it would be:

To whom have you written to.

or

What have you written.

or

It says that you have written.....

I hope this helped xx

Careful who you're shoving, Bub!

I fell down due to all the pushing and shoving in the hallway.

Yes, the correct phrasing is "The reason why I did it was because..."