SN4 ""

No	Pattern	Freq
1	[adv] rule out	411
2	[be] rule out	335
3	be rule out	335
4	[adv] rule out	210
5	[not/n't] rule out	200
6	not rule out	199
7	not rule out	167
8	[noun] rule out	166
9	[be] rule out	117
10	be rule out	117
11	[verb] rule out	114
12	[noun sg] rule out	80
13	[was/were] rule out	74
14	[pron] rule out	63
15	was rule out	61
16	been rule out	59
17	[been] rule out	59
18	have rule out	58
19	[is] rule out	58
20	is rule out	57
21	[noun prp] rule out	53
22	[pers pn] rule out	49
23	[adj] rule out	39
24	[vb -s] rule out	34
25	[modal v] rule out	34
26	[vb mod] rule out	34
27	[conj] rule out	32
28	n't rule out	32
29	has rule out	30
30	[noun pl] rule out	28