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Some bat caves, like honeybee hives, have residents that

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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 19 Dec 2013, 04:40
Quote:

Hi, My doubt here is that what is the parallel list here? Option 1 or Option 2?
Option 1:
1)defending
2)acting and sounding
3)scouting

Option 2:
1)defending
2)acting
3)sounding
4)scouting

Why do we need 'and' between acting & sounding when these are parallel to other 2 items in the list?

Or in other words what's wrong with this sentence -

Some bat caves, like honeybee hives, have residents that take on different duties such as defending the entrance, acting as sentinels, sounding a warning at the approach of danger, and scouting outside the cave for new food and roosting sites.


Hi Deepak

None of your options is correct.

Structure is
1 defending, (acting.. and sounding),
and
2 scouting

E is clearly wrong because of parallelism issue. Rest all options have 'and' and hence we need to look for a valid construction.

'defending, acting, sounding and scouting ' - is NOT one of the options

Also, note the 'comma' before 'and scouting'. This separates 'acting and sounding' from 'defending and scouting'.

'defending, acting... and sounding... , and scouting'

"acting as sentinels and sounding..danger" is describing the act of 'defending the entrance'.

Hope this helps!
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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 31 Dec 2013, 08:09
Because the verb phrases used to describe the bats' duties are governed by the phrase different duties such
as, they should each be expressed in the present participial (or "-ing") form to parallel defending and scouting.
Choices A, C, D, and E all violate parallelism by employing infinitives (to...) in place of participial phrases. In E
the singular sentinel is not consistent with residents, and the omission of and distorts the meaning of the
original. Only B, the best answer, preserves the sense of the original, uses the correct idiom, and observes the
parallelism required among and within the three main verb phrases.
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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 31 Dec 2013, 09:11
onedayill wrote:
Can some one please explain why C is wrong?

Don;t say because B is // :)


First going thru the meaning of sentence, they are talking about a types of bat caves (honey hiveseir ) that have certain members in their group which perform some actions & these actions are
1. Defending the entrane
2. Acting as sentinels & to sound a warning at the approach of danger
3. Scouting ...

Now, reason why 3 is wrong because the 2 actions which are in non-underlined part are in -ing form i.e. they are correct & by the rule of parallelism we must make all phrase,clause,verb etc. parallel to each other thus in this case, If we use to act as sentinel it will be wrong.

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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 22 Jan 2015, 22:49
Question:
Some bat caves, like honeybee hives, have residents that take on different duties such as defending the entrance, acting as sentinels and to sound a warning at the approach of danger, and scouting outside the cave for new food and roosting sites.
a) acting as sentinels and to sound
b) acting as sentinels and sounding
c) to act as sentinels and sound
d) to act as sentinels and to sound
e) to act as sentinel sounding

answer is B. Just wish to check last segment of the sentence mentions ",and scouting outside" mentions independent clause since it is separated by ", and" but actually it is not a independent clause because it does not have a subject-verb. If last sentence is not independent clause then it is part of the list but then repetition of "and" will not make it wordy? Little confused need help.

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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 01 Feb 2017, 01:13
why not "acting as sentinels and to sound " is a sub series of defending the entrance? so that "defending the entrance" can still be parallel with "scouting outside"
in this way they defend the entrance by means of "to act as sentinels and to sound a warning"
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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 12 Mar 2017, 00:34
YangYichen wrote:
why not "acting as sentinels and to sound " is a sub series of defending the entrance? so that "defending the entrance" can still be parallel with "scouting outside"
in this way they defend the entrance by means of "to act as sentinels and to sound a warning"


Yes, "acting as sentinels and sounding " is actually the sub series of defending the entrance. These two activities tell us how do they defend.

And Defending and Scouting are || to each other.
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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 19 Jul 2017, 13:30
Some bat caves, like honeybee hives, have residents that take on different duties such as defending the entrance, acting as sentinels and to sound a warning at the approach of danger, and scouting outside the cave for new food and roosting sites.

the residents that take on different duties such as;
-defending the entrance
-acting as sentinels
-to sound a warning - incorrect
-scouting outside

The only answer choice that modifies the third phrase correctly as 'souding' is B
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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 26 Jul 2017, 09:35
Merged topics. Please, search before posting questions!
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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 08 Oct 2017, 01:10
abhimahna wrote:
YangYichen wrote:
why not "acting as sentinels and to sound " is a sub series of defending the entrance? so that "defending the entrance" can still be parallel with "scouting outside"
in this way they defend the entrance by means of "to act as sentinels and to sound a warning"


Yes, "acting as sentinels and sounding " is actually the sub series of defending the entrance. These two activities tell us how do they defend.

And Defending and Scouting are || to each other.


Hi,
cant we look at the structure like this- X,Y, and Z
here X= defending the entrance, Y= acting as sentinels and sounding a warning at the approach of danger Z= , and scouting outside...
Notice that there is no comma before and sounding a warning. and there is a comma before the 3rd element in the list ie. Z( , and scouting outside).
So, basically Y stands as a club of 2 ings separated by and.

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Re: Some bat caves, like honeybee hives, have residents that [#permalink]

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New post 08 Oct 2017, 01:11
carcass wrote:
Merged similar topic. Please follow the forum rules for posting AND made a search before to post a question

See the above explanations.

regards


Hi,
cant we look at the structure like this- X,Y, and Z
here X= defending the entrance, Y= acting as sentinels and sounding a warning at the approach of danger Z= , and scouting outside...
Notice that there is no comma before and sounding a warning. and there is a comma before the 3rd element in the list ie. Z( , and scouting outside).
So, basically Y stands as a club of 2 ings separated by and.

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Re: Some bat caves, like honeybee hives, have residents that   [#permalink] 08 Oct 2017, 01:11

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