SN4 ""

No	Pattern	Freq
1	have not [be] for	217
2	[verb] not [be] for	217
3	[vb past] not [be] for	185
4	had not [be] for	185
5	it not [be] for	137
6	[pers pn] not [be] for	137
7	[pron] not [be] for	137
8	it not [be] for	137
9	[modal v] not [be] for	78
10	[vb mod] not [be] for	78
11	will not [be] for	35
12	wo not [be] for	27
13	[vb base] not [be] for	21
14	have not [be] for	21
15	would not [be] for	17
16	would not [be] for	17
17	[vb -s] not [be] for	11
18	has not [be] for	9
19	will not [be] for	8
20	may not [be] for	8
21	may not [be] for	8
22	can not [be] for	5
23	should not [be] for	5
24	should not [be] for	5
25	ca not [be] for	5
26	not [verb] [be] for	14
27	not have [be] for	10
28	not [vb infin] [be] for	10
29	not [prep] [be] for	7
30	not [prep] [be] for	7