| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | it [is] [adj] for us [to-vb] | 86 |
|
| 2 | it is [adj] for us [to-vb] | 68 |
|
| 3 | it 's [adj] for us [to-vb] | 18 |
|
| 4 | it [is] difficult for us [to-vb] | 15 |
|
| 5 | it [is] important for us [to-vb] | 14 |
|
| 6 | it [is] necessary for us [to-vb] | 10 |
|
| 7 | it [is] hard for us [to-vb] | 7 |
|
| 8 | it [is] impossible for us [to-vb] | 7 |
|
| 9 | it [is] [adj] for us to have | 6 |
|
| 10 | it [is] [adj] for us to understand | 6 |
|
| 11 | it [is] easy for us [to-vb] | 5 |
|
| 12 | it [is] [adj] for us to imagine | 5 |
|
