not only...but (also)/but also的知识总结

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Not only...but also…/But also

1. Notonly…but (also)/Not just…but also

Construction:Subject not only do but (also) do

         Not only A but (also)B do

         Not only A do but(also) B do etc.

These constructions areused for two parallel items that reinforce each other.

Weighttraining not only increases muscle massand strength but also boosts bone density.

Notice that the twoeffects mentioned are both positive effects.

Remark:

If the part following"NOT ONLY" has both a SUBJECT and a VERB, both a SUBJECT and a VERB after“but (also)” are required because a clause (S＋V) must be parallel to a clause (S＋V).

Not only doesthis drug enhance alertness,but it (also) suppresses appetite.

Moreover, the following construction is considered correct on the GMAT:
Not only + VERB + SUBJECT, SUBJECT + also + VERB.

OG2017 SC#799

As criminal activity on the Internetbecomes more and more sophisticated, not only are thieves able to divert cashfrom company bank accounts, they can also pilfer valuable information suchas business development strategies, new product specifications, and contractbidding plans, and sell the data to competitors.

A. they can also pilfer valuableinformation such as business development strategies, new productspecifications, and contract bidding plans, and sell

B. they can also pilfer valuableinformation that includes business development strategies, new productspecifications, and contract bidding plans, and selling

C. also pilfering valuable informationincluding business development strategies, new product specifications, andcontract bidding plans, selling

D. but also pilfer valuable informationsuch as business development strategies, new product specifications, andcontract bidding plans to sell

E. but also pilfering valuableinformation such as business development strategies, new productspecifications, and contract bidding plans and selling

OA: A

Nevertheless, the second clause with “but”is more preferable than without “but” in GMAT test.

Not only did ChristopherColumbus refuse to accept the conventional wisdom that the earth was flat, healso pressed relentlessly for royal support for his westward voyage to Asia,finally receiving approval and financing fromKing Ferdinand of Spain in 1492 after several rejections.

A. Not only did Christopher Columbusrefuse to accept the conventional wisdom that the earth was flat, he alsopressed relentlessly for royal support for his westward voyage to Asia, finallyreceiving

B. Not only did Christopher Columbusrefuse to accept the conventional wisdom that the earth was flat, also pressingrelentlessly for royal support for his westward voyage to Asia; he finallyreceived

C. Christopher Columbus not only refusedto accept the conventional wisdom that the earth was flat, but he pressedrelentlessly for royal support for his westward voyage to Asia, and finallyreceiving

D. Christopher Columbus not only refusedto accept the conventional wisdom that the earth was flat but pressedrelentlessly for royal support for his westward voyage to Asia, finallyreceiving

E. Not only refusing to accept theconventional wisdom that the earth was flat but pressing relentlessly for royalsupport for his westward voyage to Asia, Christopher Columbus, finallyreceiving

OA: D

2. But also

Like but,but also is used to express theeffect of contrast between the first half and the second half.

Don’t eliminate the choice without not only and fall into the trap set byGMAC just because you take it for granted that but also must be coupled with notonly.

GWD-8-Q20:

Not only did thesystematic clearing of forests in the United States create farmland (especiallyin the Northeast) and gave consumers relatively inexpensive houses andfurniture, but it alsocaused erosion and very quickly deforested whole regions.

A. Not only did thesystematic clearing of forests in the United States create farmland (especiallyin the Northeast) and gave consumers relatively inexpensive houses andfurniture, but it also

B. Not only did thesystematic clearing of forests in the United States create farmland (especiallyin the Northeast), which gave consumers relatively inexpensive houses andfurniture, but also

C. The systematicclearing of forests in the United States, creating farmland (especially in theNortheast) and giving consumers relatively inexpensive houses and furniture,but also

D. The systematic clearingof forests in the United States created farmland (especially in the Northeast)and gave consumers relatively inexpensive houses and furniture, but it also

E. The systematicclearing of forests in the United States not only created farmland (especiallyin the Northeast), giving consumers relatively inexpensive houses andfurniture, but it

OA

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