| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] a [noun sg] | 122 |
|
| 2 | [ex0] could [be] a [noun sg] | 100 |
|
| 3 | [ex0] [adv] [be] a [noun sg] | 54 |
|
| 4 | [ex0] could [adv] [be] a | 45 |
|
| 5 | [ex0] could [adv] [be] [noun sg] | 6 |
|
