Question

总结英语祈使句的结构及句式

Answer 1

祈使句结构
祈使句用以表达命令，要求，请求，劝告等。
1）
祈使句有两种类型，一种是以动词原形开头，在动词原形之前加do
(但只限于省略第二人称主语的句子)。
take
this
seat.
do
be
careful.
否定结构：
don't
move.
don't
be
late.
2）
第二种祈使句以let开头。
let
的反意疑问句
a.
let's
包括说话者
let's
have
another
try，shall
we
/
shan't
we?
=
shall
we
have
another
try?
b.
let
us
不包括说话者
let
us
have
another
try，will
you
/
won't
you?
=
will
you
please
let
us
have
another
try?
否定结构：
let's
not
talk
of
that
matter.
let
us
not
talk
of
that
matter.

Answer 2

祈使句可分为肯定、否定两种形式。其中肯定形式的祈使句由动词原形开头，分两类
1．连系动词
+
表语（如：形容词、名词等）引起。例如：
　　Keep
quiet！保持安静！
　　Be
a
good
student!
要做一名好学生！
　　2．行为动词开头。例如：
　　Open
the
door!
打开门吧！
　　Come
here！到这儿来！
　　否定形式的构成是一律在肯定形式的祈使句之前加上Don’t。例如：
　　Don’t
go
there
alone！不要一个人去那里。

Answer 3

简单明了：
肯定句：动词开头。
如：Come
here
earlier
tomorrow.
Be
quiet.
否定句：Don't
开头。
Don't
be
late.
Don't
forget
to
tell
her.
如果语气一点儿，可在句首或句末加please.
如：please
be
polite.
come
in,
please.