| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] be do [prep] [noun] | 12 |
|
| 2 | could [adv] be do [prep] [noun] | 12 |
|
| 3 | could [adv] [be] do [prep] [noun] | 12 |
|
| 4 | could [adv] [be] done [prep] [noun] | 12 |
|
| 5 | could [adv] [be] do [prep] [noun sg] | 8 |
|
| 6 | could [adv] [be] do [prep] [noun] | 7 |
|
| 7 | could not [be] do [prep] [noun] | 5 |
|
| 8 | could not [be] do [prep] [noun] | 5 |
|
| 9 | could [not/n't] [be] do [prep] [noun] | 5 |
|
