| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [vb pp] is that the | 123 |
|
| 2 | happened is that the | 14 |
|
| 3 | required is that the | 9 |
|
| 4 | said is that the | 8 |
|
| 5 | made is that the | 7 |
|
| 6 | known is that the | 6 |
|
| 7 | overlooked is that the | 5 |
|
