# a box twice as large as this?

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#### huynhvantinhftu

##### Senior Member
Recent days, I study for construction of comparison. And I found it controversial.
For example, we can't say "I need a box as large as this box" (incorrect), but we can say "I need a as large box as this box" (correct)
But today, on the internet, I read a sentence (1):
(1) I need a box twice as large as this.
I wonder if this sentence (1) is correct?
And can I say that (2):
(2) I need a twice as large box as this.

##### Senior Member
Recent days, I study for construction of comparison. And I found it controversial.
For example, we can't say "I need a box as large as this box" (incorrect), but we can say "I need a as large box as this box" (correct)
You have these backwards: the first is correct; the second is gibberish.
But today, on the internet, I read a sentence (1):
(1) I need a box twice as large as this.
I wonder if this sentence (1) is correct?
And can I say that (2):
(2) I need a twice as large box as this.
1 is correct; 2 is not.

#### Franco-filly

##### Senior Member
For example, we can't say "I need a box as large as this box" (incorrect), but we can say "I need a as large box as this box" (correct)
Where did you find this as it is incorrect?

#### Barque

##### Banned
we can't say "I need a box as large as this box" (incorrect),
Why do you say this is incorrect? It's perfectly fine. You're also likely to hear it with the second "box" omitted. I need a box as large as this.
but we can say "I need a as large box as this box" (correct)
No, this isn't correct.
(1) I need a box twice as large as this.
I wonder if this sentence (1) is correct?
Yes, it is.
And can I say that (2):
(2) I need a twice as large box as this.
No, this is wrong.
Recent days, I study for construction of comparison. And I found it controversial.
In recent days, I studied construction of comparisons. And I found conflicting views.

Cross-posted with #2 and #3.

#### huynhvantinhftu

##### Senior Member
I thank you so much, Copyright, Franco-filly and Barque
I have a huge mistake. So I have some more question. I am much obliged to you for your patience.

(3) I need a box twice as large as this = I need a box that is twice as large as this. (is it right?)
(4) I have a toe (that is) smaller than a tomato. (we can leave out "that is") (is it right?)
(5) I need a as large box as possible. (correct) (is it right?)
(6) I need a box as large as possible. (incorrect) (is it right?)

#### heypresto

##### Senior Member
(3) I need a box twice as large as this = I need a box that is twice as large as this. (is it right?)
(4) I have a toe (that is) smaller than a tomato. (we can leave out "that is") (is it right?)
(5) I need a as large box as possible. (correct) (is it right?) We can't put 'a' and 'as' together as 'a as'.
(6) I need a box as large as possible. It is correct.

I need as large a box as possible.

#### Man_from_India

##### Senior Member
1. I need a box as large as this one.
2. I need as large a box as this one.

Both the sentences are correct. But they both have different grammatical constructions.

In sentence #1, "as large as this one" is an Adjective Phrase that pose modifies the Noun Phrase - "a box".
In sentence #2. "as large" is a Pre-determiner modifier (Adjective Phrase) in the Noun Phrase structure. And that "as this one" part is a Preposition Phrase, that is a complement in Noun phrase structure.

#### london calling

##### Senior Member
I need a box twice the size of this one.

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