| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [not/n't] [vb infin] [vb pp] [conj] [art] | 37 |
|
| 2 | [modal v] [not/n't] [vb infin] [vb pp] [conj] [art] | 37 |
|
| 3 | could [not/n't] [vb infin] [verb] [conj] [art] | 21 |
|
| 4 | could [adv] [vb infin] [vb pp] [conj] [art] | 17 |
|
| 5 | could [not/n't] [vb infin] [vb pp] [conj] [art] | 7 |
|
| 6 | could [not/n't] [verb] [vb pp] [conj] [art] | 7 |
|
