| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adv] a [adj] | 78 |
|
| 2 | [modal v] [vb infin] on a [adj] | 54 |
|
| 3 | could [vb infin] [adv prt] a [adj] | 48 |
|
| 4 | could [vb infin] on [art] [adj] | 9 |
|
| 5 | could [vb infin] on [art] [adj] | 9 |
|
| 6 | could [vb infin] on a [adj] | 6 |
|
| 7 | could [vb infin] on a [adj] | 6 |
|
| 8 | could [verb] on a [adj] | 6 |
|
| 9 | could [vb infin] on a [adj] | 6 |
|
