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Two synonyms sometimes differ in their grammar, making confusions more likely
SIMILAR WORDS AND SIMILAR USAGE
It is probable that the way language learners use a new word or structure is greatly influenced by the way they know words or structures like it are used. This is because very often words and structures that seem somehow similar do follow similar rules, thus encouraging the idea that knowing the rule for one saves separately learning the rules for the others. The rules in question are not always of grammar – word formation, spelling and pronunciation can also be involved.
This blog provides numerous examples of similar words following the same rule. Consequence verbs like CAUSE generally allow a following noun + to verb (see 208. Verbs with an Object + Infinitive, #7). Emotion adjectives like happy can have a following verb with either to or -ing (see 203. Expanding an Adjective with Words after it). Verbs ending in -ATE become action nouns with -ation (see 249. Action Noun Endings). And -age at the end of a multi-syllable noun is often (but not always) pronounced to rhyme with bridge rather than wage or large (see 135. French Influences on English Vocabulary, #3).
However, a problem with relying on already-learned words for information about using a new one is that in surprisingly many cases the latter follows a different rule, so that applying the familiar rule creates an error. Errors of this kind are widely documented in this blog in posts entitled Words with Unexpected Grammar, as well as in 41. Unexpected Vowels in Derived Words and 188. Causes of Common Spelling Mistakes (#2).
What these other posts rarely highlight, however, is words that might be incorrectly used through the influence of just a single other word. Intuitively, differing from a group seems more likely to cause error than differing from just one other word, since a group is likely to allow more opportunities for its grammar to be encountered, noticed and remembered, ready for application to the new word.
Nevertheless, I quite often come across incorrectly-used words that seem to have been bent to the differing grammatical requirements of just one or two synonyms. This suggests that awareness of synonym pairs with differing grammar might have some error-prevention value. The present post is the second in this blog to highlight a variety of such pairs (see also 250. Synonym Pairs with Contrasting Grammar 1).
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POTENTIALLY TROUBLESOME SYNONYM PAIRS
In the following synonym pairs, at least one of the words has the potential to be incorrectly used through the influence of the other.
1. EQUAL – CORRESPOND TO
It is a common error to add the preposition to between the verb EQUAL and its object (see 42. Unnecessary Prepositions). As with many common errors, there may be more than one cause. One that is considered elsewhere within these pages is the common use of to after the identically-spelled adjective equal (see 231. Confusions of Similar Structures 3, #4). The need for to after the synonymous verb CORRESPOND could be a second factor.
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2. WORSEN- DETERIORATE
These synonymous verbs are of different grammatical types. WORSEN is very flexible. It can be used with or without a following object noun, and it can be passive. When there is an object, it means “make worse”, and its subject noun names the cause:
(a) A poor diet can worsen a medical condition.
When WORSEN has no object, by contrast, it means “become worse”. Its subject will then name the sufferer of the worsening rather than the cause, and any mention of the cause has to be after a preposition (excluding by):
(b) A medical condition can worsen (with a poor diet).
With the passive use of WORSEN, the subject again experiences the worsening, as in (b), but the preposition before any mention of the cause must be by. The passive is a stronger cause indicator.
In technical terms, WORSEN is said to be “transitive” when it has an object or the passive form, and “intransitive” when used as in (b). English has many other verbs that allow both possibilities (see 4. Verbs that Don’t Have to be Passive). Dictionaries often indicate them with the abbreviation vt and vi.
DETERIORATE, on the other hand, is exclusively intransitive (see 113. Verbs that cannot be Passive). This means it could directly replace worsen in (b) but not in (a) – in (a), the only possibility is cause…to deteriorate. Using DETERIORATE like WORSEN in sentences like (a) is probably the most likely error that the synonomy of the two verbs can cause.
English has a number of other verb pairs that are easily confused because of the same grammatical difference, e.g. INCREASE/ RISE, DECREASE/ FALL, CONTINUE/ LAST, DEVELOP/ EMERGE, OPERATE/ FUNCTION and ADVANCE/ PROCEED. These are different from pairs like RISE/ RAISE and LIE/ LAY, where the transitive verb (RAISE/LAY) cannot also be used intransitively (see 96. Verb Form Confusions, #3).
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3. CELEBRATE – ENJOY
Again, one of these verbs is more flexible than the other. CELEBRATE has both transitive and intransitive uses. The former requires mention of a celebration cause, for example success, as either the subject of the passive form (success is celebrated) or the object of the active (…celebrates success). The subject of the active has to be the celebration’s performer.
The intransitive use of CELEBRATE, by contrast, is always in the active form with no object and the celebration performer as subject (…celebrates).
ENJOY is always transitive: its use is exactly like the transitive use of CELEBRATE (… enjoys success; success is enjoyed), but it cannot be used in the active form without an object. If it needs to be used without mention of an enjoyment cause, it needs a -self word as its object, e.g. …enjoyed themselves (see 268. Types of “-self” Object, #2).
The typical error (in Standard English) that could be caused by the contrasting grammar of these two synonyms is using ENJOY without an object. It is not the only possible error with this verb (see 10. Words with Unexpected Grammar 1, #b).
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4. INFORM – COMMUNICATE
These verbs express the idea of information-giving in the following contrasting ways:
INFORM someone (OF something)
COMMUNICATE something (TO someone)
The brackets here indicate that the preposition part can be left unmentioned if its meaning is obvious from the context. The obvious differences between the verbs are the order in which “someone” and “something” are mentioned, and the prepositions used. These differences mean INFORM can be used without mention of the information, COMMUNICATE without mention of the information receiver.
Grammatically, both verbs are of the “prepositional” kind (see 123. Prepositional Verbs Containing a Noun). COMMUNICATE is less obviously so because it resembles verbs like GIVE which can combine their object with an “indirect” object by means of to (GIVE X to Y). What indicates that the “someone” noun after COMMUNICATE is not an indirect object is its inability to go before the object without to (*COMMUNICATE someone something). There is no problem doing this with recognised indirect-object verbs like GIVE (GIVE something to someone = GIVE someone something: see 126. Verbs with an Indirect Object).
TELL resembles COMMUNICATE in meaning and usability with to, but the noun after to is an indirect object, able to go earlier in its sentence without a preposition. For more about TELL, see 217. Tricky Grammar Contrasts 1, #4.
A further difference between INFORM and COMMUNICATE is the additional usability of the latter directly before with + someone – in other words as a prepositional verb with no internal noun. COMMUNICATE WITH means not “inform” but simply “have communication with”. An error to avoid is dropping the with.
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5. NEED – REQUIRE
The problem here is to know how the use of REQUIRE differs from the familiar usage of NEED.
After NEED, four types of following wording are common: a simple noun (or equivalent, apart from an -ing verb), an infinitive verb (sometimes without to: see 148. Infinitive Verbs without “to”, #1), a noun and to infinitive together (see 208. Verbs with an Object + Infinitive, #4), or a noun + -ing. A rare further possibility is a following -ing verb with passive meaning (see the end of 83. Adjectives before a “to” Verb). For the meaning of NEED, see 129. Differences between Necessity Verbs.
REQUIRE allows all of these uses except that with just a following infinitive (see 302. Verbs with a Partner Infinitive, #1). It additionally allows a directly-following -ing verb without passive meaning (see 65. Verbs that Mean “Must” or “Can”). To illustrate the difference before infinitives, consider this:
(c) A verb with “not” usually needs to follow it.
Needs here is not replaceable by requires. However, the passive is required is possible instead. Yet there are situations where BE REQUIRED cannot replace NEED before an infinitive. With a human subject, BE REQUIRED suggests compulsion of an external kind – for example a national law – while NEED typically suggests internal compulsion.
With BE REQUIRED in sentences like (c), the subsequent infinitive verb expresses the required behaviour, and the subject of the sentence indicates the thing that the requirement applies to. However, there is another way in which these two meanings can be expressed with BE REQUIRED: with the required behaviour as the subject (often as an “action” noun) and the requirement holder after of:
(d) A brief presentation is required of every candidate.
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6. By Far – Far and Away
These adverb phrases both correspond to very much as a means of indicating maximum strength of a following superlative adjective (see 194. Adverbs that Say How Much, #5):
(e) Jet aircraft are by far (or far and away) the quickest public transport means.
By far differs from far and away in being able to follow as well as precede a superlative adjective (see 305. Wording next to Superlatives, #6). If the superlative adjective has a noun after it, like public transport means after quickest above, by far must follow the noun. Otherwise, by far directly follows the superlative (see 269. Exotic Grammar Structures 7, #3).
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7. Able – Capable
Like most adjectives, these common ones are usable both alone and inside a multi-word adjective “phrase”. The grammatical difference between them is the way they combine with a following verb within such phrases. Consider this:
(f) Most children are able to read by the age of 8.
Here, able to read is an adjective phrase (describing children) made by combining able with a to (infinitive) verb. Able is replaceable by capable without much meaning change. However, the following infinitive to read would also need to change: to the preposition phrase of reading. Adding of -ing is not a possibility after able. There is no logical reason for this difference: it is just a peculiarity of English.
It is not just certain adjective pairs that make phrases in contrasting ways with words after them despite being similar in meaning: there are some adjective-noun pairs that do the same (see 78. Infinitive versus Preposition after Nouns).