| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] [Wh det] could [vb infin] | 96 |
|
| 2 | [prep] what could [vb infin] | 60 |
|
| 3 | of [Wh det] could [vb infin] | 46 |
|
| 4 | [prep] which could [vb infin] | 36 |
|
| 5 | [prep] [Wh det] could have | 36 |
|
| 6 | [prep] [Wh det] could happen | 14 |
|
| 7 | to [Wh det] could [vb infin] | 10 |
|
| 8 | [prep] [Wh det] could go | 6 |
|
| 9 | about [Wh det] could [vb infin] | 6 |
|
| 10 | for [Wh det] could [vb infin] | 6 |
|
| 11 | on [Wh det] could [vb infin] | 5 |
|
