| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [adv] [prep] | 204 |
|
| 2 | could be [adv prt] [prep] | 130 |
|
| 3 | [modal v] be in [prep] | 120 |
|
| 4 | [vb mod] be in [prep] | 120 |
|
| 5 | could be in [prep] | 18 |
|
| 6 | could be in [prep] | 18 |
|
| 7 | could [be] in [prep] | 18 |
|
