| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | who could [verb] | 1259 |
|
| 2 | who could [vb infin] | 1251 |
|
| 3 | [pron] could offer | 132 |
|
| 4 | who [modal v] offer | 45 |
|
| 5 | who could offer | 13 |
|
| 6 | [Wh pn] could offer | 13 |
|
| 7 | who could offer | 13 |
|
