| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | she could [not/n't] [vb infin] [noun sg] | 43 |
|
| 2 | she could n't [vb infin] [noun sg] | 25 |
|
| 3 | she could not [vb infin] [noun sg] | 18 |
|
