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THE NATURE OF PREPOSITIONAL VERBS
Prepositional verbs featured in three of my earlier posts: 31. Object Prepositions , 35. “to do” versus “to doing” and 42. Unnecessary Prepositions. A prepositional verb is a closely-combined verb and preposition, such as depend on in this example:
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(a) PLANTS DEPEND ON SUNLIGHT
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Here the verb is not depend but depend on. The preposition on is part of the verb, and sunlight is the object of this verb.
Not all prepositions after a verb act like on above. Compare it with into in this example:
(b) The River Nile flows into the Mediterranean Sea.
Here the preposition into is combined with the words after it rather than the word before, creating an adverb-like phrase instead of an object. Linguists have some ways of deciding which preposition use is present in a sentence, but I will not go into those here.
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THE PROBLEM OF VERBS THAT OCCUR BOTH WITH & WITHOUT A PREPOSITION
A problem with some prepositional verbs is an ability to drop the preposition before a following noun in order to express a different meaning. The verb approve is of this kind; readers might like to consider how its meaning differs in the following sentences:
(c) The committee approved of the proposal.
(d) The committee approved the proposal.
The meaning of the prepositional approved of in (a) is “liked”, while that of non-prepositional approved in (b) is “allowed” or “passed”.
Note how both sentences have the same object (the proposal). This is an important aspect of the verbs in question. Some verbs that can be used both with and without a closely-linked preposition have to drop their object without the preposition. For example, if we change LOOK AT into LOOK, we cannot have an object – LOOK by itself is intransitive. This discussion is not about verbs like LOOK (I cannot say for sure that such verbs are less problematic, but my experience suggests they are).
The reason why verbs like APPROVE can be problematic is, of course, that their two meanings are easily confused, so that sometimes the preposition will be wrongly put in, and sometimes it will be wrongly left out
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TRANSITIVE VERBS USABLE BOTH WITH & WITHOUT A PREPOSITION
English has quite a lot of verbs like APPROVE. Below is a sample (the abbreviations “sb” and “sth” stand for “somebody” and “something” respectively). It may be useful to try and either guess the meaning differences or discover them from a dictionary. Some of the more problematic meanings are explained below. Two are discussed in other posts: LEAD TO (Expressing Consequences) and FACE (Active Verbs with Non-Active Meanings)
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AGREE sth AGREE TO (WITH/ON) sth
ANSWER sb/sth ANSWER TO sb
APPLY sth APPLY TO sb (FOR sth)
ASK sb/sth ASK FOR (ABOUT) sb/sth
ATTEND sth ATTEND TO sb/sth
BELIEVE sb/sth BELIEVE IN sb/sth
CALL sb CALL ON (FOR) sb
CONCEIVE sth CONCEIVE OF sth
CONTINUE sth CONTINUE WITH sth
DECIDE sth DECIDE ON sth
ENGAGE sb/sth ENGAGE IN sth
ENTER sth ENTER INTO sth
FACE sb/sth FACE TOWARDS (UP TO) sth
HEAD sb/sth HEAD FOR sb/sth
IMPROVE sb/sth IMPROVE ON sth
LEAD sb/sth LEAD TO sth
OPERATE sth OPERATE ON sb
PAY sb/sth PAY FOR sb/sth
REPORT sb/sth REPORT ON (TO) sb/sth
SEE sb/sth SEE INTO sb/sth
TOUCH sb/sth TOUCH ON sth
WATCH sb/sth WATCH FOR sb/sth
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EXPLANATION OF SOME ESPECIALLY PROBLEMATIC PREPOSITIONAL MEANINGS
Rather than just list the meanings in question, I offer a matching exercise. The reader is invited to match each definition below with the right verb from the list before it (answers after the exercise).
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1. (AGREE; AGREE WITH; AGREE TO; AGREE ON)
(a) To …………………….something is to decide with other people that something is the best thing to do or believe (e.g. The committee have _________ a course of future action).
(b) To ……………………. something is to formally authorise something that has been proposed. It can be done by one or more people (e.g. The committee have _________ the budget).
(c) To ……………………. something is to give permission for something that has been specially requested (e.g. The Principal has _________ the students’ holiday plans).
(d) To ……………………. somebody is to hold the same opinion as theirs. To ……………………. something is to think that it a good thing.
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2. (CONCEIVE; CONCEIVE OF)
(a) To ……………………. something is to think of it for the first time.
(b) To ……………………. something is to imagine it.
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3. (CONTINUE; CONTINUE WITH)
(a) To ……………………. something is to keep doing it without interruption.
(b) To ……………………. something is to start it again after an interruption.
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4. (DECIDE; DECIDE ON)
(a) To ……………………. something is to fix or settle it (e.g. The war has _________ who owns the land).
(b) To ……………………. something is to choose it from various options (e.g. The bride has _________ yellow flowers for the wedding).
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5. (ENTER; ENTER INTO)
(a) To ……………………. something is to start it (e.g. The management and workers have _________ an agreement).
(b) To ……………………. something is to go inside it.
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6. (IMPROVE; IMPROVE ON)
(a) To ……………………. something is to make it better.
(b) To ……………………. something is to make it better than it was after a previous effort (our own or somebody else’s) to make it better.
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7. (REPORT; REPORT ON; REPORT TO)
(a) To ……………………. something is to tell other people that it has happened (e.g. Thefts should be _________ to the police).
(b) To ……………………. somebody is to be managed by them in a job.
(c) To ……………………. something is to give additional information about it (e.g. There is no more to _________ last week’s disaster).
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8. (TOUCH; TOUCH ON)
(a) To ……………………. something is to make physical contact with it.
(b) To ……………………. something is to mention it briefly (e.g. I will describe the political system and _________ some issues that it raises).
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ANSWERS: 1(a) = agree on, 1(b) = agree, 1(c) = agree to, 1(d) = agree with; 2(a) = conceive, 2(b) = conceive of; 3(a) continue, 3(b) = continue with; 4(a) = decide, 4(b) = decide on; 5(a) = enter into, 5(b) = enter; 6(a) improve, 6(b) = improve on; 7(a) = report, 7(b) = report to, 7(c) = report on; 8(a) touch, 8(b) = touch on.
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VERBS WITH AN OPTIONAL PREPOSITION
Some verbs can be used both with and without a preposition without a change of meaning. They are not problematic in the same way as the verbs discussed above. Usually their non-preposition use is simply a more modern preference. Three common examples of verbs like this are PROTEST AGAINST, APPEAL AGAINST and IMPACT ON:
(e) Drivers are protesting (against) the new law.
(f) The company will appeal (against) the guilty verdict.
(g) The new law will impact (on) traffic volume.
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VERBS THAT OCCUR BOTH WITH AND WITHOUT A FOLLOWING ADVERB
Some verbs look to be prepositional but are not. Examples are CUT OFF, PICK UP and FIND OUT. The second word in each of these is actually an adverb. The proof is that pronoun objects must come straight after the verb like this:
(h) The flood cut THEM off (not *cut off THEM).
I mention verbs of this kind because they present a problem that is similar to the one with prepositional verbs: learners of English often confuse the meaning of the verb by itself with that of the verb and adverb combined. Here are some example pairs:
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BREAK sth BREAK sth UP
CUT sb/sth CUT sb/sth UP (DOWN/OFF/OUT)
DROP sth DROP sb/sth OFF
EAT sth EAT sth Up
FILL sth FILL sth IN
FIND sb/sth FIND sth OUT
PICK sb/sth PICK sb/sth UP
SEEK sb/sth SEEK sb/sth OUT
SELL sth SELL things OFF
WRITE sth WRITE sth DOWN
RISE (intransitive) RISE UP (intransitive)
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To give a flavour of the differences, FILL means “change from empty to full” whereas FILL IN means “finish filling something already partly full”. We particularly use FILL IN with forms and holes in the ground.
FIND and FIND OUT can both mean “discover hidden information”, but out suggests that this required a lot of intentional effort.
PICK means “choose” or “remove from the plant where it grew” (e.g. picking flowers or grapes); while PICK UP means “lift to take possession of” or “allow into your vehicle for transport”. It is interesting that PICK by itself is used in both East and West Africa with all of these meanings.
WRITING DOWN is done when we want something to be remembered; WRITING is writing for any other purpose.
Finally, RISE means “go up”, while RISE UP means “start a war of rebellion”.

Posted by Opalla on 21 January, 2013 at 17:31
As always, great stuff (even though I fear the English teacher may not approve of this non-descriptive word
)! Prepositions are the most challenging for me, because they do not exist in Chinese.