英语作文中常用的连接词可以分为几类，包括表示选择关系、因果关系、时间顺序、空间顺序、比较、转折、目的、强调、解释说明和总结等。以下是一些常用的连接词示例：
选择关系或对等关系
either…or…
neither…nor
or
as well as
and
both…and…
因果关系
therefore
so
as a result
as the result of …
because of
due to
owing to
thanks to
时间顺序
the moment
as soon as
at first
then
later
meanwhile
at the beginning
in the end
before long
for the first（second…）time
the minute
空间顺序
near（to）
far（from）
in front of
behind
beside
beyond
above
below
to the right/left
around
outside
比较
in the same way
just like
just as
转折
but
still
yet
however
nevertheless
nonetheless
on the contrary
in spite of/ in spite of the fact that
even though
although
despite / despite the fact that
目的
for this reason
for this purpose
so that
in order to
强调
in fact
indeed
surely
necessarily
certainly
without any doubt
truly
to repeat
above all
most important
解释说明
for example
in fact
in this case
for actually
for instance
总结
in a word
above all
all in all
finally
at last
in conclusion
as I have shown
in another word
in brief
in short
in general
on the whole
as has been stated
last but not least
in addition
这些连接词可以帮助你更清晰地组织文章结构，使文章更具逻辑性和连贯性。在写作时，根据句子的内容和上下文选择合适的连接词是非常重要的。