您好,needn't是不必,do
not
need
to是无需,前者用于must
i
~?的答句:no,you
needn't.后面的那个只是单纯的说i/he/she
don't/doesn't
need
to~表我/他/她无需做…后面都用动词原形,前者表情态动词后者表行为/实义动词。满意速采纳,谢!
needn't
need在这里是情态动词,不必要.做MUST的否定句时用.
例如:
MUST
YOU
GO
WITH
HIM?
NO,
I
NEED
NOT.
翻译:
你必须跟他去吗?
不,我不必.
don't
need
need
在这里是实意动词,不需要
例如:
DO
YOU
NEED
A
PEN?
NO.
I
DON'T
NEED.
I
HAVE
A
BALLPEN
WITH
ME.
翻译:
你需要钢笔吗?
不,不需要.
我身上有只圆珠笔.