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# Trouble understanding SC

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Intern
Joined: 08 Mar 2017
Posts: 2

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08 Mar 2017, 13:13
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Hey everybody,

I purchased the Manhattan Prep SC and I'm still having a little trouble understanding this particular example:

The tidal forces to which an object falling into a black hole is/are subjected is/are sufficient to tear the object apart.

So I started with getting rid of the prepositional phrases.

The tidal forces to which an object falling into a black hole is/are subjected is/are sufficient to tear the object apart.

Now I'm left with, The tidal forces is/are subjected is/are sufficient.

Compound verb with singular noun. Based on what my ear hears. The Tidal forces are subjected sounds correct and the tidal forces are sufficient sound correct. When both ares are picked it does not sound correct. Any help would be appreciated. Thanks guys.
Current Student
Joined: 13 Dec 2016
Posts: 7
Location: United States (TX)
GMAT 1: 640 Q49 V28
GMAT 2: 680 Q48 V34
GPA: 3.67

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08 Mar 2017, 13:39
I will pick is and are.
What is subjected to tidal forces? Object
So, tidal forces to which an object is subjected.
What is sufficient? Forces
So, tidal forces to ... Subjected are sufficient to tear the object.

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Intern
Joined: 08 Mar 2017
Posts: 2

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08 Mar 2017, 18:22
I would like help understanding the compound verb noun agreement in the example.
SVP
Joined: 15 Jul 2015
Posts: 1759
Location: India
GMAT 1: 780 Q50 V51
GRE 1: Q170 V169

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08 Mar 2017, 22:56
Treid480 wrote:
The tidal forces to which an object falling into a black hole is/are subjected is/are sufficient to tear the object apart.

So I started with getting rid of the prepositional phrases.

The tidal forces to which an object falling into a black hole is/are subjected is/are sufficient to tear the object apart.

Now I'm left with, The tidal forces is/are subjected is/are sufficient.
Try the following version:
The tidal forces to which an object falling into a black hole is/are subjected is/are sufficient to tear the object apart.

Clearly, we need the tidal forces are sufficient. We would not say the tidal forces is sufficient.

In the classes that I am forced to attend, the am goes with I, not with classes. Similarly, in the tidal forces to which an object falling into a black hole is subjected, the is goes with an object.

So we end up with the tidal forces to which an object falling into a black hole is subjected are sufficient to tear the object apart.

If you're comfortable using a that to delay the to (don't try this on your GMAT ), you can try saying this one to yourself:
The tidal forces that an object falling into a black hole is subjected to are sufficient to tear the object apart.
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Joined: 14 Dec 2013
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Location: Germany
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11 Mar 2017, 05:40
murarkam wrote:
I will pick is and are.
What is subjected to tidal forces? Object
So, tidal forces to which an object is subjected.
What is sufficient? Forces
So, tidal forces to ... Subjected are sufficient to tear the object.

Treid480 wrote:
I would like help understanding the compound verb noun agreement in the example.

Your query has been very well explained above by the Jamboree expert - closing this request.
Trouble understanding SC &nbs [#permalink] 11 Mar 2017, 05:40
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