| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb mod] [vb infin] at [adj] time | 90 |
|
| 2 | [modal v] [vb infin] at [adj] time | 90 |
|
| 3 | could [vb infin] at [adj] [noun] | 78 |
|
| 4 | could [vb infin] at [adj] [noun sg] | 63 |
|
| 5 | could [vb infin] [prep] [adj] time | 35 |
|
| 6 | could [verb] at [adj] time | 29 |
|
| 7 | could [vb infin] at [adj] time | 29 |
|
| 8 | could [vb infin] at [adj] time | 29 |
|
