NEED 是不是情态动词?

也可以做情态动词,也可以不做情态动词.
need
KK:[]
DJ:[]
n.
1.需要;必要;需求;要求[S][(+of/for)][+to-v]
We have no need to be afraid of them.
我们不必怕他们.
2.必要之物;需求[P1]
3.贫穷;困窘;危急[U]
My neighbors helped me in my time of need.
我的邻居在我困难的日子帮了我忙.
vt.
1.需要,有...必要[W][+to-v][+v-ing][O2][O4][O7]
The garden needs watering.
花园该浇水了.
I don't think you need to worry about this.
我认为你不必为这事担心.
They need our help.
他们需要我们帮助.
vi.
1.生活穷困
v.aux.
1.(多用于疑问句和否定句)需要,必须
Need you go so soon?
你需要这么早走吗
You needn't trouble about that.
你不必为这费事了.