| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could not [vb infin] a | 204 |
|
| 2 | [pers pn] could not [vb infin] a | 177 |
|
| 3 | they [modal v] not [vb infin] a | 116 |
|
| 4 | they [vb mod] not [vb infin] a | 116 |
|
| 5 | they could [adv] [vb infin] a | 101 |
|
| 6 | they could not [vb infin] [art] | 99 |
|
| 7 | they could [not/n't] [vb infin] a | 63 |
|
| 8 | they could not [vb infin] a | 63 |
|
| 9 | they could not [vb infin] a | 25 |
|
| 10 | they could not [vb infin] a | 25 |
|
| 11 | they could not [verb] a | 25 |
|
