| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [adv] true that a | 12 |
|
| 2 | it is [adv] true that a | 10 |
|
| 3 | it be [adv] true that a | 8 |
|
| 4 | it be certainly true that a | 5 |
|
