Comparisons with 一样
一样 shows that the items being compared are the same in some way. 一样 can be used independently or as part of a comparative structure. Let's consider both options.
一样 as an adjective
一样 
is used to express the similarity of items or people.
is used to express the similarity of items or people.Examples
它们一样
They are the same
tāmen yíyàng
Usually 一样 is preceded by an adverb.
一样 can be preceded by the adverbs 都 or 完全 to emphasize being exactly the same.
or 完全 to emphasize being exactly the same.
Pay attention
The adverb 很 is not used in this kind of sentence.
is not used in this kind of sentence.
Examples
两座楼完全一样
The two buildings are exactly the same
liǎng zuò lóu wánquán yíyàng
她的衣服都一样
All her clothes are the same
tā de yīfu dōu yíyàng
The adverb 差不多 is added to emphasize small differences.
is added to emphasize small differences.
Examples
这两件裙子差不多一样
These two skirts are almost the same
zhè liǎng jiàn qúnzi chàbuduō yíyàng
In the examples above, 一样 is used as a predicate.
一样 can also be used as an attribute. In this case, the particle 的 is added between 一样 and the noun.
is added between 一样 and the noun.Examples
她们穿着一样的衣服
They wear the same clothes
tāmen chuānzhe yíyàng de yīfu
Comparative structures with 一样
The following structure is used to express that "A" and "B" are the same:
Scheme
A
跟
B
一样
Pay attention
In spoken language, the preposition 和 can be used instead of 跟 .
While in formal speech, the preposition 与 or the word 像 can be used instead of 跟.
can be used instead of 跟 .
While in formal speech, the preposition 与 or the word 像 can be used instead of 跟.Examples
他跟你一样
He is just like you
tā gēn nǐ yíyàng
她的微笑和妈妈一样
She smiles just like her mother
tā de wéixiào hé māma yíyàng
You can also add a feature after 一样 to make your comparison more specific. It can be expressed by either an adjective or a verb with an object.
Scheme
A
跟
В
一样
feature
what's the same?
Examples
他跟你一样喜欢这部电影
He likes this film as much as you do
tā gēn nǐ yíyàng xǐhuan zhè bù diànyǐng
我们队和你们队一样值得赢
Our team is as worthy of winning as yours
wǒmen duì hé nǐmen duì yíyàng zhídé yíng
这本书和那本书一样有意思
This book is as interesting as that book
zhè běn shū hé nà běn shū yíyàng yǒuyìsi
Pay attention
比 cannot be used with 一样.
cannot be used with 一样.Adverbs like 都 and 也 are placed before 跟.
and 也 are placed before 跟.Examples
弟弟也跟我一样高
My younger brother is as tall as me
dìdi yě gēn wǒ yíyàng gāo
大家都跟我一样高
Everyone is as tall as me
dàjiā dōu gēn wǒ yíyàng gāo
Negative form with 一样
The negation is formed by placing the negative adverb 不 before 一样
before 一样Scheme
A
跟
В
不一样
(feature)
what are the differences?
Pay attention
The adverbs 很 or 完全 can be placed before 一样 to emphasize the difference.
Examples
他跟你完全不一样
He and you are completely different
tā gēn nǐ wánquán bù yíyàng
你的房间和我的房间不一样大
Your room is not the same size as mine
nǐ de fángjiān hé wǒ de fángjiān bù yíyàng dà
Questions with 一样
There are two following ways to ask a question with 一样:
1) using the question particle 吗 at the end of a sentence.
at the end of a sentence.Examples
他跟你一样喜欢这部电影吗？
Does he like this film as much as you do?
tā gēn nǐ yíyàng xǐhuan zhè bù diànyǐng ma
2) using repetition with negation: 一样不一样.
This way is usually used in short sentences without a feature comparison.
Examples
他跟你一样不一样？
Is he just like you?
tā gēn nǐ yíyàng bù yíyàng