| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [vb infin] [prep] [noun] | 138 |
|
| 2 | n't [vb infin] [prep] [noun] [adv] | 126 |
|
| 3 | could [vb infin] [prep] [noun] [adv] | 54 |
|
| 4 | could n't [vb infin] [noun] [adv] | 26 |
|
| 5 | could n't [vb infin] [prep] [adv] | 25 |
|
