If you're going to use the plural verb, I'd repeat the article: "a book and a workbook." "Book and workbook" are often considered a unit, and (as they say) if you think of them in that way, you may use the singular verb.

The first sentence is correct. When used as a subject 'each' takes singular verbs.

After neither of+noun/pronoun ,we use a singular verb in  a formal style. - Neither of my sisters is married. In an informal style,you can use a plural verb. - Neither of my sisters are married. And your question:Neither can be used alone without

I'm saying that in this sentence the uncountable noun "jest" is singular, and therefore calls for a singular verb, "is." It's like saying, "Your foolishness is wearing me down." Many nouns have both a

Sometimes it helps to convert a question to a declarative sentence, as you try to figure out the tense of the verb. Ask yourself what the subject of the clause is. Are there more than one? Is the subject singular or plural? The tree is what

why compound subjects joined by or sometimes require a singular verb??

Pleasehelp: Many usage experts explain that "public" takes a singular verb in American English; a plural verb in British English. You will also notice this with other words, such as "government."

Why is have left unchanged? He, she, it is still requires the singular verb which is doesn't.

Clarencetsang: If you have decided that you wish to start your sentence with "My favorite food...," you have two options: (1) You may follow the "rule" -- "food" is singular. So use the singular verb (My favorite food

I would expect the singular version to be more commonly used. However, as Clive has already mentioned, both versions are used. And it is perfectly correct to use the singular verb. Clearly, "three to four nights" can be viewed as a