| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] be then | 17 |
|
| 2 | [prep] be then | 16 |
|
| 3 | [prep] be then | 10 |
|
| 4 | to be then | 9 |
|
| 5 | to be then | 9 |
|
| 6 | of be then | 6 |
|
| 7 | of be then | 6 |
|
