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Grammatical aspects of English question words are surprisingly numerous
THE CHALLENGE OF QUESTION WORDS
Examining question words opens a window on a surprisingly wide variety of English grammar and vocabulary. Some of this will be familiar to experienced students of English. Most will know, for example, the difference between who and whom, and between what and which. Other aspects of question words, however, may not be so familiar – some, indeed, may even qualify as “exotic”. It is, of course, these wider aspects of question words that are the focus here.
Questions themselves can also be linked with a wide variety of grammar and vocabulary. Readers wishing to read about these in this blog are referred to the posts 57. Indirect Questions in Formal Writing, 105. Questions with a “to” Verb, 219. Wording next to Indirect Questions and 274. Questions with a Hidden Meaning.
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COMPLEXITIES
1. Word Class Variation
Despite the obvious similarities between question words, they actually do not all belong to the same word class (“part of speech”). Compare the use of how much in the following indirect questions:
(a) … how much gold costs today.
(b) … how much money gold is worth today.
(c) … how much gold varies in price.
In (a), how much is a pronoun. It represents not the noun gold after it but the unwritten noun money. It is the object of the verb costs, gold being the subject. In (b), how much is an adjective, giving information about the directly-following noun idea money. In (c), how much is an adverb giving information about the verb varies. It is not its object because VARY with this meaning allows no object.
The other question words can be placed into grammatical classes in a similar way. The main ones have the following possibilities:
Word Classes of the Main Question Words
Other combinations with how are usually adverbs if their second word is one (e.g. how quickly, how often) and adjectives otherwise (e.g. how quick, how old) .
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2. Equivalence to Nouns
The question word in indirect questions (not direct ones) can very often be paraphrased with a noun, for example reason for why, way for how and time for when. The main question word with no noun equivalent is whether (see 185. Noun Synonyms of Question Words):
(d) A major issue was the number of (= how many) attempts to allow.
In formal writing, there are some places where a noun is common. One is headings separating subdivisions of extended writing. For example, instead of How Languages are Learned a heading might say Language Learning Processes (see “Grammatical Form” in 178. How to Write a Heading).
Essay questions often replace a question word with a noun too. Unlike headings, though, essay questions of this kind usually need an extra verb in front in order to make their sentence grammatical. Thus, a question beginning Why…? might become Outline the reasons…, and one beginning How useful…? might become Discuss the usefulness… (see 94. Essay Instruction Words). The extra verbs, it will be seen, are typically in the base “imperative” form (see 128. Imperative Verbs in Formal Writing, #1).
Some essay questions have just an imperative verb and no noun equivalent of the question word. For example, What X…? might become Identify the X that… and How similar are…? might become Compare and Contrast… .
One other place where a noun is preferable to a question word is at the start of a sentence, where the indirect question is usually the subject of a verb (see 219. Wording next to Indirect Questions, #1). In the following example, what alternative form might be given to the question How much training is required?
(e) …is a source of dispute.
A possible beginning here is the amount/ quantity of training (that is) required.
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3. Non-Question Usage
Words that can act as a question word do not always do so. Most obviously, when and where can alternatively be conjunctions (see 64. Double Conjunctions). In addition, most question words can make relative clauses. Consider this indirect question:
(f) Historians wondered where alphabetic writing first emerged.
The underlined words here are recognisable as an indirect question because they begin with a word that can be a question word (where), they closely follow a word or phrase indicating a type of asking (wondered), and they have a noun role in the sentence (object of wondered) (see 57. Indirect Questions in Formal Writing).
Now consider (f) with wondered replaced by know the place. The word before where (place) would not then suggest asking (nor explaining nor knowing, the other possible question indicators), and the where… part would have an adjective-like role rather than a noun-like one, describing place. These are characteristics of the familiar type of relative clauses beginning with who, which or that, and they indeed indicate that the where clause above is similarly relative. Further confirmation is provided by the fact that where after location is replaceable by at which.
It is not just where that can be “relative” rather than question-asking (“interrogative”). All of the question words in the above table except how, how much and whether are the same (see 200. Special Uses of Relative Clauses). How usually becomes in which (e.g. the way in which, instead of *the way how). Whether does have a non-question use, but as a conjunction combining with or rather than as relative adverb (see 99. Meanings of “Whether…or…”).
Bear in mind, though, that a noun instead of a verb before a possible question word does not always produce a relative clause: an indirect question will remain if the noun is one of asking, like question, or explaining, like clarification, or knowing, like uncertainty (see 287. Speech and Thought Nouns). The indirect question will also keep its noun-like status: instead of being an adjective phrase describing the noun before it, it will be making a two-noun “apposition” structure with it (see 253. Descriptive Wording after Nouns 2, #3).
One other non-question use of indirect question forms is after the prepositions according to and depending on (see sentence [l] in 162. Writing about Classifications).
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4. Usage with “-ever”
Who, what, which, how much, how, when and where can combine with the suffix -ever or, more emphatically, -soever (how much becoming how[so]ever much). Whom and whose can only combine with -soever. Why links with the separate word ever.
An -ever word is always possible in questions, and often possible in other kinds of sentence too. In questions, it usually suggests its user cannot think of any possible answer (see 272. Uses of “Ever”, #2).
Why ever can only make questions (direct or indirect). However and however much can make questions or adverb-like additions to a longer sentence:
(g) However they tried, they could not succeed.
However here is an adverb meaning either “all” (saying all ways of trying failed), or “unidentified” (saying an unidentified way of trying failed).
Whenever and wherever can similarly make both questions and adverb statements, but in the latter they are conjunctions rather than adverbs.
Whatever, whoever, whomsoever, whosesoever and whichever can make questions, adverb statements or relative clauses:
(h) Whatever happens next?
(i) Whatever happens next, nothing will stop the process.
(j) Whatever happens next will be recorded.
The use of whatever in (i) is very like that of however in (g): its statement is adverb-like because it is not the subject, object or complement of the main verb (will stop), and the meanings of either “all” or “unidentified” are understandable. In addition, though, the -ever part of (i) carries the idea of unimportance, indicating that no next event will have any impact. This idea seems very common in all adverbial -ever statements (see 199. Importance and Unimportance, #8).
In (j), by contrast, the whatever part is the subject of the main verb will be recorded. The meaning of whatever is “anything which” (see 200. Special Uses of Relative Clauses, #4). Once again, there is a further meaning of either “all” or “unidentified”.
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5. Usage with Infinitives
All of the question words can ask a question with just an infinitive verb after them:
(k) The website explains what to do.
After why, however, an infinitive cannot have to (see 148. Infinitive verbs without “to”, #5).
Both direct and indirect infinitive questions are possible after every question word except whether, a maker of only indirect questions. For a detailed explanation of when to compose and use infinitive questions, see 105. Questions with a “to” Verb.
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6. Usage with Prepositions
Combinations like the following are probably common in most languages:
(k) By when should the parcel arrive?
By when here means not “at what time?” (the meaning of when alone) but “up to what time?”. All of the basic English question words can accompany a preposition in this way except how, whether, who and why. The equivalent of who after prepositions is whom.
An alternative, less formal preposition location in English is at the end (When…by?), e.g.:
(l) Who does this belong to?
(m) What did they do that with?
(n) Where do you come from?
(o) Which shelf is it next to?
In this use, whom is very often replaced by who (Who…to?). Although why cannot be used as shown, one of its meanings – seeking a purpose rather than a cause – is often expressed with What…for? (even though *For what…? cannot replace a starting Why…?).
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7. “Who’s?” versus “Whose?”
Both of these expressions can be either relative or interrogative. For the relative use, see 293. Tricky Grammar Contrasts 4, #5. In the interrogative use, who’s is an abbreviation of who is – its apostrophe is not a possessive one. Its inclusion of the verb is means it can make a question without a neighbouring verb, combining just with a noun, adjective or adverb, e.g. Who’s next? (= “Which person is next?”).
Whose, by contrast, means “Which person’s?”. It must accompany or imply a separate verb. It can be an adjective describing a noun, e.g. Whose question is next? (= “which person’s question is next?”), or stand alone as a pronoun, e.g. Whose is next?.
The confusability of these two expressions mirrors that of it’s versus its (see 138. Test your Command of Grammar 1, #5).
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8. “How” + Adjective / Adverb
How is usable both with and without a following adjective or adverb. With one (e.g. How rich…? How easily…?), it means “how much” (see 194. Adverbs that Say How Much), though the word much cannot be added in between (*How much rich…?). By itself, how enquires about the “manner”, “means” or “instrument” of a verb’s action (see 73. Prepositions for Saying How).
Appreciating this distinction is important for understanding essay questions. Consider this:
(p) How were Napoleon’s reforms effective?
Because no adjective or adverb follows how, it means “in what way?” The effectiveness of Napoleon’s reforms is accepted and just needs to be explained. However, if the question begins How effective…, how means “how much?”, indicating uncertain effectiveness that must be debated (see 94. Essay Instruction Words).