| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb infin] [adv prt] in [noun] | 390 |
|
| 2 | could [vb infin] in [noun] | 297 |
|
| 3 | could [vb infin] [adv prt] [noun] | 135 |
|
| 4 | could [vb infin] [adv prt] in | 77 |
|
