| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [adv prt] [prep] [adj] | 202 |
|
| 2 | could [verb] [adv prt] [prep] [adj] | 202 |
|
| 3 | [modal v] [verb] [adv prt] at [adj] | 104 |
|
| 4 | could [verb] [adv] at [adj] | 20 |
|
| 5 | could [verb] [adv prt] at [adj] | 11 |
|
