| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could have [vb pp] [adv] [art] [noun] | 26 |
|
| 2 | could [vb infin] [vb pp] [adv prt] [art] [noun] | 23 |
|
| 3 | could [vb infin] [vb pp] [adv] [art] [noun sg] | 22 |
|
| 4 | could [vb infin] [vb pp] [adv] the [noun] | 16 |
|
| 5 | could [vb infin] [vb pp] up [art] [noun] | 14 |
|
| 6 | could [vb infin] [vb pp] up [art] [noun] | 14 |
|
| 7 | could [vb infin] [vb pp] [adv] a [noun] | 11 |
|
