| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [vb infin] [adj] [noun sg] | 1684 |
|
| 2 | [vb infin] at [adj] [noun sg] | 686 |
|
| 3 | could [vb infin] at [adj] | 124 |
|
| 4 | could [vb infin] at [noun sg] | 51 |
|
| 5 | could at [adj] [noun sg] | 21 |
|
