SN4 ""

No	Pattern	Freq
1	be not [noun] and	92
2	[be] not [noun] and	92
3	[conj] not [noun] and	45
4	[coord] not [noun] and	36
5	[is] not [noun] and	36
6	[was/were] not [noun] and	31
7	[am/are] not [noun] and	25
8	is not [noun] and	24
9	[verb] not [noun] and	21
10	are not [noun] and	19
11	were not [noun] and	17
12	but not [noun] and	14
13	was not [noun] and	14
14	but not [noun] and	14
15	and not [noun] and	13
16	[noun] not [noun] and	13
17	do not [noun] and	13
18	and not [noun] and	13
19	[adv] not [noun] and	12
20	's not [noun] and	12
21	[vb mod] not [noun] and	10
22	[modal v] not [noun] and	10
23	[noun sg] not [noun] and	9
24	or not [noun] and	9
25	or not [noun] and	9
26	[subord] not [noun] and	8
27	[adv] not [noun] and	7
28	[vb past] not [noun] and	7
29	do not [noun] and	7
30	[vb base] not [noun] and	7