| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it could only be [prep] | 12 |
|
| 2 | it could only [be] [prep] | 12 |
|
| 3 | it could only [be] [prep] | 12 |
|
| 4 | it could only be [prep] | 12 |
|
