| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | could it be [conj] | 93 |
|
| 2 | could it be [conj] | 93 |
|
| 3 | could it be that | 86 |
|
| 4 | could it be that | 86 |
|
| 5 | could it be [that] | 86 |
|
