| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [adj] [noun prp] could [adv] | 25 |
|
| 2 | [adj] [noun prp] could [adv] | 16 |
|
| 3 | [adj] [noun prp] could only | 7 |
|
| 4 | [num] [noun prp] could [adv] | 5 |
|
