| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] at [art] [adj] | 11 |
|
| 2 | could [adv] [vb infin] at [art] [adj] | 11 |
|
| 3 | could not [vb infin] at [art] [adj] | 10 |
|
| 4 | could [not/n't] [vb infin] at [art] [adj] | 10 |
|
| 5 | could not [vb infin] at [art] [adj] | 8 |
|
| 6 | could [adv] [vb infin] at the [adj] | 7 |
|
| 7 | could [adv] [vb infin] at [art] [adj] | 7 |
|
| 8 | could [adv] [vb infin] at the [adj] | 7 |
|
