| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it be [noun sg] [prep] us [to-vb] | 7 |
|
| 2 | it be [noun sg] [prep] us [verb] | 7 |
|
| 3 | it be [noun sg] for us [verb] | 7 |
|
| 4 | it be [noun sg] for us [verb] | 7 |
|
| 5 | it be time [prep] us [verb] | 6 |
|
