| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [verb] [prep] [adj] [noun] [prep] | 253 |
|
| 2 | could [verb] [prep] [adj] [noun sg] [prep] | 145 |
|
| 3 | [modal v] [verb] [prep] [adj] time [prep] | 25 |
|
| 4 | could [verb] [prep] [adj] time [prep] | 5 |
|
