| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could be [vb pp] [prep] | 7113 |
|
| 2 | he could be [vb pp] | 217 |
|
| 3 | he could be [prep] | 50 |
|
| 4 | he be [vb pp] [prep] | 30 |
|
