| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [that] a [noun sg] | 19 |
|
| 2 | it is believed [that] a | 10 |
|
| 3 | it is believed [that] [noun sg] | 8 |
|
| 4 | is believed [that] a [noun sg] | 6 |
|
