| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [verb] in | 62 |
|
| 2 | could [be] [vb pp] in | 57 |
|
| 3 | could [be] brought in | 12 |
|
| 4 | could [be] bring in | 12 |
|
| 5 | could [be] fill in | 5 |
|
| 6 | could [be] [v-ing] in | 5 |
|
| 7 | could [be] filled in | 5 |
|
