| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [adv] [conj] a | 27 |
|
| 2 | it is [adv] [conj] a | 20 |
|
| 3 | it is [adv] that a | 17 |
|
| 4 | it is [adv] that a | 17 |
|
| 5 | it is [adv] [that] a | 17 |
|
| 6 | it is [adv] [subord] a | 10 |
|
| 7 | it is [adv] [conj] an | 7 |
|
| 8 | it is here [conj] a | 6 |
|
| 9 | it is only [conj] a | 5 |
|
