SN4 ""

No	Pattern	Freq
1	[noun] could be [prep] the	88
2	[pron] could be [prep] the	63
3	[pers pn] could be [prep] the	59
4	[noun sg] could be [prep] the	52
5	it could be [prep] the	26
6	it could be [prep] the	26
7	[noun pl] could be [prep] the	22
8	[adj] could be [prep] the	16
9	[noun prp] could be [prep] the	13
10	[det] could be [prep] the	12
11	he could be [prep] the	10
12	he could be [prep] the	10
13	this could be [prep] the	8
14	we could be [prep] the	8
15	this could be [prep] the	8
16	we could be [prep] the	7
17	[conj] could be [prep] the	6
18	they could be [prep] the	5
19	they could be [prep] the	5
20	could [adv] be [prep] the	39
21	could [adv] be [prep] the	28
22	could not be [prep] the	11
23	could [not/n't] be [prep] the	11
24	could [pron] be [prep] the	7
25	could [pers pn] be [prep] the	7
26	could well be [prep] the	7
27	could not be [prep] the	7
28	could well be [prep] the	7
29	could be [verb] [prep] the	1632
30	could be [vb pp] [prep] the	1596