| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could [adv] [be] | 7500 |
|
| 2 | it could [be] | 3054 |
|
| 3 | it could [adv] | 2124 |
|
| 4 | it [adv] [be] | 270 |
|
