| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] [be] [verb] to a [adv] | 38 |
|
| 2 | [vb mod] [be] [verb] to a [adv] | 38 |
|
| 3 | could [be] [verb] [prep] a [adv] | 37 |
|
| 4 | could [be] [verb] [prep] a [adv] | 37 |
|
| 5 | could [be] [verb] to [art] [adv] | 6 |
|
| 6 | could [be] [verb] to [art] [adv] | 6 |
|
| 7 | could [be] [verb] to a [adv] | 5 |
|
| 8 | could [be] [verb] to a [adv] | 5 |
|
| 9 | could [be] [verb] to a [adv] | 5 |
|
| 10 | could [be] [verb] to a [adv] | 5 |
|
