| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [modal v] be [verb] [prep] a [noun sg] | 4514 |
|
| 2 | could be [verb] [prep] [art] [noun sg] | 1507 |
|
| 3 | could be [verb] [prep] [art] [noun sg] | 1507 |
|
| 4 | could be [verb] [prep] a [noun sg] | 595 |
|
| 5 | could be [verb] [prep] a [noun] | 541 |
|
| 6 | could be [verb] [prep] a [noun sg] | 509 |
|
| 7 | could [be] [verb] [prep] a [noun sg] | 509 |
|
| 8 | could be [verb] [prep] a [noun sg] | 509 |
|
| 9 | could [be] [verb] [prep] a [noun sg] | 509 |
|
