| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it is [prep] us | 33 |
|
| 2 | it is [prep] we | 33 |
|
| 3 | it is [prep] we | 33 |
|
| 4 | it is for we | 20 |
|
| 5 | it is for we | 20 |
|
