| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] a [noun sg] | 968 |
|
| 2 | it is that a [noun sg] | 19 |
|
| 3 | it is [adv] that a | 17 |
|
| 4 | is [adv] that a [noun sg] | 16 |
|
