因為 can 是助動詞，在疑問句中被放到了句首。 - Zhictionary

Zhictionary

因為 can 是助動詞，在疑問句中被放到了句首。

'can' is an auxiliary verb, so in question sentences it is brought to the start of the phrase.

Source: Tatoeba

Sentence Composition

because
owing to
on account of

2

c

Not in lexicon.

3

a

Not in lexicon.

4

n

Not in lexicon.

to be (followed by substantives only)
correct; right; true
(respectful acknowledgement of a command) very well
(adverb for emphatic assertion)

variant of 是 shì

auxiliary verb; modal verb

to exist; to be alive
(of sb or sth) to be (located) at
(used before a verb to indicate an action in progress)

question (grammar)
interrogative sentence

(bound form) China; Chinese
surname Zhong

within; among; in
middle; center
while (doing sth); during
(dialect) OK; all right

to hit (a target)
to be struck by (a bullet, illness etc)
to win (a prize or lottery)

quilt
to cover (with)
(literary) to suffer (a misfortune)
used to indicate passive voice (placed before the doer of the action like "by" in English passive-voice sentences, or, if the doer is not mentioned, before the verb)
(since c. 2009) (sarcastic or jocular) used to indicate that the following word should be regarded as being in air quotes (as in 被旅游 bèilu:yóu to "go on a trip")

(obsolete on its own in Standard Chinese) alternative form of 披 (“to cover oneself; to scatter”)
alternative form of 披 (“to cover oneself; to scatter”)

alternative form of 彼 (bǐ, “that”)
alternative form of 髲 (bì, “wig”)

alternative form of 帔

to put
to place
to release
to free
to let go
to let out
to set off (fireworks)

a surname, Fang
alternative form of 仿 (“to imitate; to resemble”)
to base on
to reach

at last
finally
in the end

start of phrase or sentence