| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] that a [noun sg] | 10 |
|
| 2 | it is [adv] that a [noun sg] | 10 |
|
| 3 | it is [adv] [that] a [noun sg] | 10 |
|
| 4 | it is [adv] [subord] a [noun sg] | 5 |
|
