英语句子中逗号的用法(英语句子中逗号的作用和用法)

1.
Using
Commas
to
Separate
Items
in
a
List】

2.
Commas
can
be
used
to
separate
independent
clauses
in
a
compound
sentence. 】

3.
Appositives,
which
provide
additional
information
about
a
noun,
can
be
set
off
by
commas. 】

4.
Commas
are
used
to
separate
introductory
words
or
phrases
from
the
main
clause. 】

5.
When
addressing
someone
directly,
a
comma
should
be
used
to
set
off
their
name. 】

6.
Embedded
information
or
clauses
should
be
set
off
with
commas. 】

7.
Commas
are
used
before
coordinating
conjunctions
(and,
but,
or,
etc. )
in
compound
sentences. 】

8.
Quotations
should
be
set
off
with
commas
if
they
are
introduced
with
a
reporting
clause. 】

9.
Commas
should
be
used
to
separate
two
or
more
adjectives
that
modify
the
same
noun. 】

10.
Dates
should
be
separated
by
commas
when
writing
in
the
month-day-year
format. 】

11.
Commas
are
used
to
separate
items
in
an
address
or
geographical
location. 】

1
2.
When
writing
a
date
in
the
day-month-year
format,
there
should
be
no
comma. 】

1
3.
Commas
are
used
to
separate
the
cities
and
states
in
an
address
or
location. 】

1
4.
Coordinating
adjectives
should
be
separated
by
commas. 】

1
5.
Commas
are
used
before
and
after
a
person's
title
when
it
appears
before
their
name. 】

1
6.
Commas
should
be
used
to
set
off
non-essential
information
in
a
sentence. 】

1
7.
Commas
are
used
to
separate
items
in
a
series. 】

1
8.
Commas
should
be
used
to
separate
contrasting
elements
in
a
sentence. 】

1
9.
Lists
of
three
or
more
items
should
have
a
comma
before
the
conjunction. 】

20.
Commas
should
be
used
to
separate
clauses
in
complex
sentences. 】