| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could not [vb infin] at [noun] | 19 |
|
| 2 | could [not/n't] [vb infin] at [noun] | 19 |
|
| 3 | could [adv] [vb infin] at [noun prp] | 14 |
|
| 4 | could not [vb infin] at [noun] | 11 |
|
| 5 | could [adv] [vb infin] at [noun] | 10 |
|
| 6 | could [adv] [vb infin] at [noun sg] | 9 |
|
| 7 | could n't [vb infin] at [noun] | 8 |
|
| 8 | could [adv] [vb infin] at [noun pl] | 6 |
|
| 9 | could [adv] sleep at [noun] | 5 |
|
