| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could n't [vb infin] [pos pn] [noun sg] | 285 |
|
| 2 | i could [vb infin] [pos pn] [noun sg] | 215 |
|
| 3 | i could n't [vb infin] [pos pn] | 139 |
|
| 4 | i could n't [vb infin] [noun sg] | 36 |
|
