| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [pron] could | 87089 |
|
| 2 | [indef pn] could | 3008 |
|
| 3 | nothing [modal v] | 1051 |
|
| 4 | nothing [vb mod] | 1051 |
|
| 5 | nothing could | 384 |
|
| 6 | nothing could | 384 |
|
