| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [Wh det] | 841 |
|
| 2 | it be what | 812 |
|
| 3 | it 's [Wh det] | 509 |
|
| 4 | it was [Wh det] | 182 |
|
| 5 | it is [Wh det] | 146 |
|
| 6 | it be which | 23 |
|
| 7 | it be whatever | 6 |
|
