一、所有的介词？
英语一共有150多个介词。最常用的是这些：
aboard
about
above
across
after
against
along
amid
among
anti
around
as
at
before
behind
below
beneath
beside
besides
between
beyond
but
by
concerning
considering
despite
down
during
except
excepting
excluding
following
for
from
in
inside
into
like
minus
near
of
off
on
onto
opposite
outside
over
past
per
plus
regarding
round
save
since
than
through
to
toward
towards
under
underneath
unlike
until
up
upon
versus
via
with
within
without
二、两个介词中间用什么词？
介词后面必须有宾语，介词中间可以用名词、代词，不管句子有几个介词短语。
比如： He works in the University of Beijing.
Mary comes from work at 5: 00 pm.
三、介词短语用什么符号表示？
①
介词 preposition简写形式prep
介词短语英文简写形式是prep phrase
②
介词短语用下划线_(符号)表示
四、如何区分英语介词短语和副词短语？
介词表示名词、代词等与句中其它词的关系，在句中不能单独作句子成分。介词后面一般有名词、代词或相当于名词的其他词类、短语或从句作它的宾语，表示与其他成分的关系。
副词是指在句子中表示行为或状态特征的词，用以修饰动词、形容词、其他副词或全句，表示时间、地点、程度、方式等概念
