| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] from the [noun sg] | 75 |
|
| 2 | could [be] [vb pp] from the [noun sg] | 75 |
|
| 3 | could [be] seen from the [noun sg] | 7 |
|
| 4 | could [be] derived from the [noun sg] | 5 |
|
