| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [vb infin] [be] [noun] | 25 |
|
| 2 | could [adv] [vb infin] be [noun] | 25 |
|
| 3 | could [adv] [vb infin] been [noun] | 23 |
|
| 4 | could [adv] [vb infin] [been] [noun] | 23 |
|
| 5 | could [adv] have [be] [noun] | 23 |
|
| 6 | could [adv] [vb infin] [be] [noun sg] | 11 |
|
| 7 | could [adv] [vb infin] [be] [noun prp] | 10 |
|
| 8 | could easily [vb infin] [be] [noun] | 5 |
|
