| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be such a | 374 |
|
| 2 | it 's [det] a | 319 |
|
| 3 | it be all a | 312 |
|
| 4 | it was [det] a | 294 |
|
| 5 | it is [det] a | 89 |
|
| 6 | it be half a | 18 |
|
