SN4 ""

No	Pattern	Freq
1	[noun] could be [prep]	389
2	[pron] could be [prep]	381
3	[pers pn] could be [prep]	330
4	[noun sg] could be [prep]	226
5	[noun pl] could be [prep]	106
6	it could be [prep]	94
7	it could be [prep]	94
8	he could be [prep]	50
9	they could be [prep]	49
10	[adj] could be [prep]	49
11	they could be [prep]	49
12	[noun prp] could be [prep]	49
13	he could be [prep]	49
14	[det] could be [prep]	41
15	you could be [prep]	38
16	you could be [prep]	38
17	she could be [prep]	37
18	she could be [prep]	37
19	[conj] could be [prep]	36
20	[Wh det] could be [prep]	34
21	i could be [prep]	33
22	which could be [prep]	33
23	which could be [prep]	33
24	i could be [prep]	32
25	we could be [prep]	27
26	we could be [prep]	26
27	this could be [prep]	21
28	this could be [prep]	21
29	[coord] could be [prep]	20
30	and could be [prep]	17