SN4 ""

No	Pattern	Freq
1	[pron] could have [verb] the [adj]	32
2	[pers pn] could have [verb] the [adj]	26
3	[noun] could have [verb] the [adj]	23
4	[noun sg] could have [verb] the [adj]	17
5	i could have [verb] the [adj]	9
6	i could have [verb] the [adj]	9
7	[adj] could have [verb] the [adj]	7
8	they could have [verb] the [adj]	5
9	they could have [verb] the [adj]	5
10	we could have [verb] the [adj]	5
11	we could have [verb] the [adj]	5
12	could [adv] have [verb] the [adj]	19
13	could [adv] have [verb] the [adj]	10
14	could [not/n't] have [verb] the [adj]	9
15	could not have [verb] the [adj]	9
16	could not have [verb] the [adj]	6
17	could have [verb] [prep] the [adj]	36
18	could have [verb] [prep] the [adj]	36
19	could have [verb] to the [adj]	10
20	could have [verb] to the [adj]	10
21	could have [verb] in the [adj]	5
22	could have [verb] in the [adj]	5
23	could have [verb] the [adj] [adj]	8
24	could have [verb] the [noun] [adj]	5
25	could have [verb] the [adj] [noun]	65
26	could have [verb] the [adj] [noun sg]	55
27	could have [verb] the [adj] [noun pl]	8
28	could have [verb] the [adj] thing	5
29	could have [verb] the [adj] thing	5