| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [not/n't] [adv] [vb infin] a | 65 |
|
| 2 | could [not/n't] [adv] [verb] a | 65 |
|
| 3 | could [not/n't] [adv] [verb] a | 65 |
|
| 4 | could n't [adv] [verb] a | 41 |
|
| 5 | could [not/n't] even [verb] a | 29 |
|
| 6 | could [not/n't] even [verb] a | 29 |
|
| 7 | could not [adv] [verb] a | 24 |
|
| 8 | could [not/n't] possibly [verb] a | 8 |
|
| 9 | could [not/n't] possibly [verb] a | 8 |
|
| 10 | could [not/n't] [adv] get a | 7 |
|
| 11 | could [not/n't] [adv] get a | 7 |
|
