SN4 ""

No	Pattern	Freq
1	[vb mod] not [noun]	461
2	[modal v] n't [noun]	277
3	[modal v] not [noun sg]	263
4	[modal v] not [noun]	184
5	can not [noun]	164
6	[modal v] not [noun prp]	118
7	ca not [noun]	118
8	could not [noun]	78
9	could not [noun]	78
10	will not [noun]	76
11	should not [noun]	55
12	should not [noun]	55
13	would not [noun]	49
14	would not [noun]	49
15	[modal v] not [noun pl]	46
16	can not [noun]	46
17	wo not [noun]	43
18	[modal v] not sort	35
19	[modal v] not sort	35
20	will not [noun]	33
21	[modal v] not [n mass]	30
22	[modal v] not people	22
23	[modal v] not people	22
24	might not [noun]	11
25	might not [noun]	11
26	must not [noun]	6
27	[modal v] not man	6
28	must not [noun]	6
29	may not [noun]	5
30	[modal v] not rate	5