SN4 ""

No	Pattern	Freq
1	[pron] could [verb] at the [noun]	40
2	[pers pn] could [verb] at the [noun]	35
3	[noun] could [verb] at the [noun]	14
4	[noun sg] could [verb] at the [noun]	12
5	i could [verb] at the [noun]	8
6	i could [verb] at the [noun]	8
7	you could [verb] at the [noun]	7
8	you could [verb] at the [noun]	7
9	she could [verb] at the [noun]	6
10	she could [verb] at the [noun]	6
11	we could [verb] at the [noun]	5
12	they could [verb] at the [noun]	5
13	could be [verb] at the [noun]	34
14	could be [verb] at the [noun]	34
15	could [be] [verb] at the [noun]	34
16	could [be] [verb] at the [noun]	34
17	could [adv] [verb] at the [noun]	23
18	could [adv] [verb] at the [noun]	15
19	could [verb] [verb] at the [noun]	9
20	could [vb infin] [verb] at the [noun]	9
21	could not [verb] at the [noun]	8
22	could only [verb] at the [noun]	8
23	could only [verb] at the [noun]	8
24	could [not/n't] [verb] at the [noun]	8
25	could have [verb] at the [noun]	6
26	could n't [verb] at the [noun]	6
27	could have [verb] at the [noun]	6
28	could [pers pn] [verb] at the [noun]	5
29	could [pron] [verb] at the [noun]	5
30	could [verb] [pron] at the [noun]	15