want是情态动词么

有的时候是，有的时候不是

want somebaby to do something
想让某人作某事
want to do something
想做某事
want to be ...
想成为．．．
want something...
想要...

want
AHD:[w¼nt, wônt]
D.J.[w%nt, w%8nt]
K.K.[w$nt, w%nt]
v.（动词）
want.ed， want.ing， wants
v.tr.（及物动词）
To desire greatly; wish for:
渴望：强烈地希望；渴望：
They want to leave.
他们渴望离开
To be without; lack.See Synonyms at lack
缺少；没有参见 lack
To be in need of; require:
需要；需求：
“‘Your hair wants cutting,’ said the Hatter”(Lewis Carroll)
“‘你的头发需要剪一下，’海特说道”(刘易斯·卡罗尔)
To request the presence or assistance of:
需要：需要…的出现或帮助：
You are wanted by your office.
你办公室的人在找你
To seek with intent to capture:
通辑：以抓获为意图寻找：
The fugitive is wanted by the police.
逃犯已被警方通缉
To have a desire for.See Synonyms at desire
有…的欲望参见 desire
To have an inclination toward; like: