| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | which it is [adj] [to-vb] | 169 |
|
| 2 | which it is possible [to-vb] | 42 |
|
| 3 | which it is difficult [to-vb] | 21 |
|
| 4 | which it is impossible [to-vb] | 10 |
|
| 5 | which it is necessary [to-vb] | 9 |
|
| 6 | which it is appropriate [to-vb] | 6 |
|
| 7 | which it is [adj] to make | 6 |
|
| 8 | which it is hard [to-vb] | 6 |
|
| 9 | which it is entitled [to-vb] | 6 |
|
| 10 | which it is important [to-vb] | 5 |
|
| 11 | which it is [adj] to protect | 5 |
|
