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

Oversized bracelets, oversized earrings, oversizing of accessories, in general, is very popular now. Why is it is and not are? You can make a case for a plural verb, but no one would ever use it. Three things are popular: bracelets, earrings,

Sorry, I meant "confuse(r)"... has is the singular verb and Wii is the singular subject etc..

I believer that you are the confused one. The rule is simple: either singular subject & singular verb , or plural subject & plural verb .

The boy chooses. (singular subject; singular verb - with "s") The policeman chooses. The cheerleader chooses. The boys choose. (plural subject; plural verb - no "s".) The policemen choose. The cheerleaders