| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [prep] a | 322 |
|
| 2 | could [adv] [vb infin] [prep] a | 322 |
|
| 3 | [modal v] [adv] [vb infin] for a | 231 |
|
| 4 | could [adv] [vb infin] for [art] | 102 |
|
| 5 | could [adv] [vb infin] for [art] | 102 |
|
| 6 | could [adv] [vb infin] for a | 45 |
|
| 7 | could [adv] [verb] for a | 40 |
|
| 8 | could [adv] [vb infin] for a | 39 |
|
